No
| Title
| Submissions
| % Accepted
| Simplicity Score
|
100
| The 3n + 1 problem
| 220107
| 28.6
| 798820
|
102
| Ecological Bin Packing
| 40027
| 39.1
| 769775
|
136
| Ugly Numbers
| 27471
| 35.9
| 748886
|
272
| TEX Quotes
| 18687
| 52.2
| 714592
|
108
| Maximum Sum
| 22087
| 41.5
| 710578
|
591
| Box of Bricks
| 17823
| 50.3
| 691509
|
494
| Kindergarten Counting Game
| 14053
| 41.1
| 676647
|
299
| Train Swapping
| 11484
| 53.4
| 675156
|
160
| Factors and Factorials
| 14690
| 39.2
| 672134
|
113
| Power of Cryptography
| 18211
| 34.8
| 671850
|
424
| Integer Inquiry
| 10734
| 48.9
| 669766
|
369
| Combinations
| 12929
| 43.3
| 657731
|
458
| The Decoder
| 15474
| 57.1
| 656698
|
10008
| What's Cryptanalysis?
| 8887
| 56.1
| 653642
|
382
| Perfection
| 13225
| 48.6
| 650780
|
10071
| Back to High School Physics
| 22800
| 53.5
| 650660
|
10055
| Hashmat the Brave Warrior
| 38382
| 29.1
| 648003
|
575
| Skew Binary
| 6586
| 70.5
| 636890
|
10035
| Primary Arithmetic
| 23069
| 30.9
| 626164
|
406
| Prime Cuts
| 15007
| 41.8
| 625490
|
105
| The Skyline Problem
| 25439
| 44.7
| 622793
|
151
| Power Crisis
| 8240
| 58.5
| 621376
|
543
| Goldbach's Conjecture
| 13602
| 42.1
| 620456
|
686
| Goldbach's Conjecture (II)
| 8904
| 49.5
| 612017
|
499
| What's The Frequency, Kenneth?
| 7698
| 58.0
| 610703
|
495
| Fibonacci Freeze
| 29769
| 24.8
| 606565
|
10018
| Reverse and Add
| 30680
| 39.9
| 606548
|
264
| Count on Cantor
| 10006
| 54.4
| 605689
|
10013
| Super long sums
| 23234
| 42.6
| 605115
|
374
| Big Mod
| 10321
| 39.4
| 603783
|
488
| Triangle Wave
| 15445
| 46.5
| 599527
|
138
| Street Numbers
| 9915
| 49.8
| 599480
|
119
| Greedy Gift Givers
| 12797
| 41.0
| 598224
|
10038
| Jolly Jumpers
| 34039
| 30.4
| 597622
|
408
| Uniform Generator
| 8105
| 64.4
| 596425
|
541
| Error Correction
| 7739
| 62.0
| 593125
|
441
| Lotto
| 6193
| 75.3
| 590920
|
483
| Word Scramble
| 12939
| 40.9
| 588227
|
256
| Quirksome Squares
| 6918
| 55.7
| 586276
|
10082
| WERTYU
| 13179
| 43.6
| 583440
|
530
| Binomial Showdown
| 16162
| 22.8
| 579472
|
492
| Pig-Latin
| 18173
| 27.0
| 576653
|
10300
| Ecological Premium
| 6624
| 74.1
| 575500
|
673
| Parentheses Balance
| 17350
| 36.4
| 573377
|
10189
| Minesweeper
| 20255
| 43.9
| 573128
|
324
| Factorial Frequencies
| 7208
| 58.0
| 571611
|
10107
| What is the Median?
| 10144
| 43.2
| 559247
|
10110
| Light, More Light
| 18197
| 32.7
| 549796
|
101
| The Blocks Problem
| 37645
| 25.9
| 548623
|
10062
| Tell me the frequencies!
| 16169
| 37.8
| 547343
|
445
| Marvelous Mazes
| 8247
| 58.4
| 547021
|
440
| Eeny Meeny Moo
| 4871
| 68.3
| 543371
|
10106
| Product
| 10857
| 37.3
| 543110
|
438
| The Circumference of the Circle
| 5047
| 65.2
| 537124
|
111
| History Grading
| 9967
| 40.8
| 535137
|
476
| Points in Figures: Rectangles
| 11547
| 37.9
| 535048
|
583
| Prime Factors
| 18466
| 30.9
| 534896
|
10370
| Above Average
| 7966
| 52.7
| 532020
|
579
| ClockHands
| 10668
| 44.4
| 528983
|
350
| Pseudo-Random Numbers
| 6902
| 53.1
| 528766
|
146
| ID Codes
| 6406
| 50.3
| 526502
|
572
| Oil Deposits
| 5176
| 56.8
| 526283
|
10019
| Funny Encryption Method
| 4940
| 74.3
| 526162
|
412
| Pi
| 11049
| 36.1
| 525639
|
484
| The Department of Redundancy Department
| 8105
| 39.3
| 523499
|
568
| Just the Facts
| 6542
| 61.6
| 523265
|
344
| Roman Digititis
| 6188
| 61.8
| 522442
|
443
| Humble Numbers
| 8322
| 39.7
| 522383
|
446
| Kibbles ``n'' Bits ``n'' Bits ``n'' Bits
| 5383
| 52.2
| 520720
|
305
| Joseph
| 7457
| 45.1
| 520175
|
10004
| Bicoloring
| 14289
| 41.9
| 519865
|
490
| Rotating Sentences
| 7628
| 42.8
| 519092
|
401
| Palindromes
| 16004
| 30.2
| 516790
|
294
| Divisors
| 7620
| 44.1
| 510781
|
10340
| All in All
| 15402
| 25.1
| 509629
|
694
| The Collatz Sequence
| 8651
| 42.4
| 506729
|
10079
| Pizza Cutting
| 9152
| 39.1
| 503918
|
477
| Points in Figures: Rectangles and Circles
| 5387
| 59.4
| 503383
|
10127
| Ones
| 6825
| 54.5
| 502668
|
674
| Coin Change
| 7757
| 46.2
| 499121
|
10200
| Prime Time
| 10422
| 30.3
| 498344
|
10327
| Flip Sort
| 8218
| 44.9
| 494629
|
640
| Self Numbers
| 7845
| 46.3
| 493508
|
444
| Encoder and Decoder
| 9581
| 35.0
| 491517
|
439
| Knight Moves
| 6364
| 51.2
| 490750
|
10346
| Peter's Smoke
| 7471
| 42.9
| 488600
|
10098
| Generating Fast, Sorted Permutation
| 8908
| 53.9
| 488549
|
103
| Stacking Boxes
| 18581
| 31.7
| 488531
|
10405
| Longest Common Subsequence
| 9280
| 36.9
| 488457
|
231
| Testing the CATCHER
| 7360
| 50.3
| 486137
|
392
| Polynomial Showdown
| 8994
| 35.2
| 484325
|
167
| The Sultan's Successors
| 5542
| 55.9
| 484072
|
386
| Perfect Cubes
| 6015
| 49.9
| 479366
|
10041
| Vito's Family
| 13161
| 37.5
| 479250
|
10222
| Decode the Mad man
| 5572
| 62.0
| 478670
|
10469
| To Carry or not to Carry
| 4553
| 70.9
| 470780
|
371
| Ackermann Functions
| 22342
| 23.2
| 465564
|
190
| Circle Through Three Points
| 7665
| 40.9
| 464861
|
489
| Hangman Judge
| 4430
| 57.6
| 464435
|
118
| Mutant Flatworld Explorers
| 7716
| 38.4
| 461303
|
10220
| I Love Big Numbers !
| 4249
| 60.6
| 458415
|
10302
| Summation of Polynomials
| 7193
| 42.1
| 456837
|
291
| The House Of Santa Claus
| 3986
| 64.3
| 454356
|
120
| Stacks of Flapjacks
| 9308
| 40.5
| 448228
|
706
| LCD Display
| 16507
| 38.2
| 447391
|
195
| Anagram
| 18149
| 21.6
| 436842
|
10006
| Carmichael Numbers
| 12545
| 37.5
| 435373
|
10235
| Simply Emirp
| 7729
| 30.5
| 430804
|
133
| The Dole Queue
| 5559
| 52.5
| 428083
|
498
| Polly the Polynomial
| 5628
| 57.1
| 425941
|
10260
| Soundex
| 5613
| 52.3
| 424795
|
414
| Machined Surfaces
| 4421
| 50.9
| 424560
|
455
| Periodic Strings
| 6475
| 40.3
| 422126
|
10424
| Love Calculator
| 7141
| 36.9
| 411263
|
200
| Rare Order
| 9455
| 30.3
| 409296
|
621
| Secret Research
| 4991
| 52.8
| 408854
|
496
| Simply Subsets
| 4656
| 51.5
| 407275
|
573
| The Snail
| 4753
| 47.2
| 406430
|
10066
| The Twin Towers
| 4578
| 56.2
| 405153
|
576
| Haiku Review
| 3542
| 60.4
| 404650
|
352
| The Seasonal War
| 3746
| 56.0
| 403674
|
112
| Tree Summing
| 17258
| 25.0
| 399665
|
417
| Word Index
| 3326
| 61.9
| 398847
|
713
| Adding Reversed Numbers
| 13072
| 21.5
| 398308
|
10324
| Zeros and Ones
| 12837
| 25.2
| 397364
|
122
| Trees on the level
| 11995
| 27.7
| 396475
|
524
| Prime Ring Problem
| 7538
| 58.1
| 394845
|
478
| Points in Figures: Rectangles, Circles, Triangles
| 5011
| 43.3
| 390657
|
10696
| f91
| 8180
| 59.8
| 388218
|
107
| The Cat in the Hat
| 25250
| 16.9
| 387788
|
834
| Continued Fractions
| 4359
| 61.9
| 387278
|
128
| Software CRC
| 13727
| 49.5
| 387093
|
612
| DNA Sorting
| 14789
| 29.6
| 386164
|
10338
| Mischievous Children
| 5576
| 41.8
| 385065
|
10050
| Hartals
| 5423
| 57.5
| 383211
|
10323
| Factorial! You Must be Kidding!!!
| 11221
| 23.4
| 379511
|
10161
| Ant on a Chessboard
| 4442
| 59.5
| 371928
|
156
| Ananagrams
| 4300
| 49.6
| 370192
|
536
| Tree Recovery
| 3933
| 59.9
| 367353
|
10473
| Simple Base Conversion
| 5159
| 50.5
| 367066
|
10530
| Guessing Game
| 5704
| 38.8
| 364650
|
10192
| Vacation
| 5691
| 35.5
| 362261
|
116
| Unidirectional TSP
| 18322
| 20.0
| 359078
|
459
| Graph Connectivity
| 7438
| 28.7
| 358511
|
516
| Prime Land
| 4078
| 49.4
| 356940
|
10010
| Where's Waldorf?
| 6883
| 44.1
| 356173
|
389
| Basically Speaking
| 6332
| 34.4
| 356134
|
497
| Strategic Defense Initiative
| 9931
| 23.4
| 354873
|
514
| Rails
| 4780
| 49.9
| 352944
|
729
| The Hamming Distance Problem
| 7786
| 48.4
| 352154
|
534
| Frogger
| 5351
| 41.7
| 349157
|
10409
| Die Game
| 3331
| 59.7
| 348340
|
10432
| Polygon Inside A Circle
| 5903
| 40.3
| 346861
|
202
| Repeating Decimals
| 7093
| 37.3
| 343701
|
10070
| Leap Year or Not Leap Year and ...
| 11945
| 21.3
| 342815
|
10000
| Longest Paths
| 11764
| 24.1
| 342604
|
356
| Square Pegs And Round Holes
| 5295
| 51.5
| 341561
|
10783
| Odd Sum
| 5685
| 58.7
| 340679
|
623
| 500!
| 18168
| 16.4
| 339532
|
10193
| All You Need Is Love
| 3397
| 48.9
| 336296
|
10515
| Powers Et Al.
| 9245
| 31.2
| 336253
|
10579
| Fibonacci Numbers
| 3625
| 59.5
| 336158
|
400
| Unix ls
| 9855
| 39.7
| 335901
|
10252
| Common Permutation
| 9220
| 29.3
| 333945
|
10699
| Count the factors
| 3387
| 63.0
| 329571
|
567
| Risk
| 3647
| 59.7
| 329301
|
750
| 8 Queens Chess Problem
| 7421
| 37.0
| 327865
|
10209
| Is This Integration ?
| 5295
| 51.1
| 327528
|
130
| Roman Roulette
| 5183
| 40.5
| 326753
|
191
| Intersection
| 10297
| 19.0
| 326692
|
340
| Master-Mind Hints
| 3245
| 59.6
| 326367
|
124
| Following Orders
| 4426
| 49.5
| 326341
|
10099
| The Tourist Guide
| 7152
| 35.6
| 321185
|
271
| Simply Syntax
| 4875
| 39.6
| 319391
|
482
| Permutation Arrays
| 8384
| 21.8
| 318364
|
10334
| Ray Through Glasses
| 3535
| 49.7
| 318245
|
155
| All Squares
| 3978
| 62.3
| 318186
|
106
| Fermat vs. Pythagoras
| 17082
| 28.4
| 317949
|
10195
| The Knights Of The Round Table
| 6807
| 30.8
| 317846
|
10282
| Babelfish
| 8682
| 31.8
| 317024
|
10591
| Happy Number
| 4206
| 48.4
| 316549
|
10305
| Ordering Tasks
| 3435
| 49.6
| 315929
|
10003
| Cutting Sticks
| 7189
| 42.9
| 315510
|
10450
| World Cup Noise
| 3972
| 50.6
| 314928
|
544
| Heavy Cargo
| 3569
| 50.8
| 313837
|
847
| A Multiplication Game
| 4292
| 48.1
| 312952
|
117
| The Postal Worker Rings Once
| 3947
| 48.9
| 312863
|
10034
| Freckles
| 9001
| 36.6
| 312722
|
532
| Dungeon Master
| 5512
| 33.3
| 311331
|
147
| Dollars
| 16564
| 17.6
| 310098
|
275
| Expanding Fractions
| 4215
| 44.7
| 308564
|
121
| Pipe Fitters
| 4512
| 39.4
| 307763
|
562
| Dividing coins
| 7191
| 29.2
| 307613
|
10048
| Audiophobia
| 3545
| 56.6
| 303792
|
537
| Artificial Intelligence?
| 3609
| 45.7
| 301816
|
10131
| Is Bigger Smarter?
| 6362
| 37.4
| 301728
|
10015
| Joseph's Cousin
| 3314
| 52.4
| 300940
|
10812
| Beat the Spread!
| 5107
| 42.4
| 297920
|
10533
| Digit Primes
| 6805
| 33.8
| 296741
|
104
| Arbitrage
| 15708
| 21.1
| 296111
|
357
| Let Me Count The Ways
| 10366
| 18.6
| 294985
|
144
| Student Grants
| 3521
| 48.5
| 294427
|
739
| Soundex Indexing
| 4626
| 50.1
| 294086
|
10361
| Automatic Poetry
| 2269
| 59.5
| 294066
|
661
| Blowing Fuses
| 4298
| 39.7
| 294005
|
348
| Optimal Array Multiplication Sequence
| 5448
| 40.6
| 293202
|
378
| Intersecting Lines
| 4373
| 36.8
| 292613
|
725
| Division
| 4181
| 48.6
| 292557
|
10190
| Divide, But Not Quite Conquer!
| 7281
| 21.7
| 290830
|
10025
| The ? 1 ? 2 ? ... ? n = k problem
| 5463
| 36.0
| 290464
|
10394
| Twin Primes
| 6285
| 33.2
| 289415
|
409
| Excuses, Excuses!
| 3662
| 40.0
| 288513
|
336
| A Node Too Far
| 7856
| 24.7
| 286175
|
216
| Getting in Line
| 3971
| 42.5
| 285140
|
154
| Recycling
| 2780
| 55.0
| 285135
|
10014
| Simple calculations
| 4279
| 44.3
| 283218
|
300
| Maya Calendar
| 4886
| 36.1
| 283056
|
587
| There's treasure everywhere!
| 5469
| 30.2
| 282184
|
10104
| Euclid Problem
| 5392
| 38.0
| 282040
|
594
| One Little, Two Little, Three Little Endians
| 2637
| 66.2
| 281165
|
10074
| Take the Land
| 4285
| 48.5
| 279539
|
10336
| Rank the Languages
| 2193
| 63.1
| 278748
|
10420
| List of Conquests
| 2875
| 55.7
| 276971
|
531
| Compromise
| 5421
| 36.2
| 276826
|
555
| Bridge Hands
| 3245
| 51.0
| 276181
|
442
| Matrix Chain Multiplication
| 2699
| 59.9
| 275812
|
10310
| Dog and Gopher
| 6706
| 28.3
| 275633
|
574
| Sum It Up
| 3357
| 41.3
| 275275
|
474
| Heads / Tails Probability
| 4963
| 35.6
| 273095
|
10009
| All Roads Lead Where?
| 6091
| 39.7
| 272914
|
227
| Puzzle
| 5879
| 36.6
| 270280
|
10116
| Robot Motion
| 2895
| 50.1
| 270209
|
642
| Word Amalgamation
| 2890
| 54.3
| 268552
|
10550
| Combination Lock
| 3617
| 57.5
| 267693
|
413
| Up and Down Sequences
| 2550
| 57.7
| 265642
|
836
| Largest Submatrix
| 3777
| 48.5
| 264944
|
278
| Chess
| 2437
| 58.1
| 264159
|
10221
| Satellites
| 4701
| 30.2
| 263922
|
740
| Baudot Data Communication Code
| 2625
| 64.1
| 263210
|
10295
| Hay Points
| 2414
| 54.8
| 262279
|
10499
| The Land of Justice
| 4936
| 36.3
| 262084
|
355
| The Bases Are Loaded
| 5133
| 24.3
| 261114
|
10042
| Smith Numbers
| 6227
| 30.0
| 260435
|
636
| Squares (III)
| 2289
| 56.5
| 260428
|
624
| CD
| 4389
| 42.1
| 259877
|
109
| SCUD Busters
| 6371
| 30.0
| 257301
|
145
| Gondwanaland Telecom
| 5104
| 30.3
| 256640
|
153
| Permalex
| 4288
| 32.6
| 256597
|
123
| Searching Quickly
| 5070
| 36.4
| 256430
|
422
| Word-Search Wonder
| 2358
| 51.7
| 253623
|
10219
| Find the ways !
| 3193
| 41.1
| 253038
|
485
| Pascal's Triangle of Death
| 6693
| 26.4
| 251090
|
423
| MPI Maelstrom
| 2202
| 56.1
| 251088
|
465
| Overflow
| 6892
| 20.0
| 250896
|
10608
| Friends
| 4176
| 41.7
| 250160
|
460
| Overlapping Rectangles
| 3142
| 43.9
| 249647
|
320
| Border
| 3231
| 51.5
| 249524
|
125
| Numbering Paths
| 4903
| 33.1
| 249361
|
10223
| How many nodes ?
| 2273
| 51.3
| 249333
|
402
| M*A*S*H
| 6901
| 34.7
| 246139
|
846
| Steps
| 4240
| 43.4
| 245804
|
10789
| Prime Frequency
| 3091
| 53.1
| 245494
|
486
| English-Number Translator
| 3311
| 35.6
| 244274
|
10924
| Prime Words
| 3806
| 41.6
| 243217
|
10929
| You can say 11
| 4836
| 39.1
| 242517
|
637
| Booklet Printing
| 3232
| 58.9
| 240006
|
201
| Squares
| 4124
| 39.4
| 238189
|
10101
| Bangla Numbers
| 7220
| 21.9
| 235981
|
10297
| Beavergnaw
| 1823
| 65.1
| 234816
|
343
| What Base Is This?
| 4645
| 29.8
| 234049
|
10286
| Trouble with a Pentagon
| 2410
| 61.4
| 233864
|
10921
| Find the Telephone
| 2125
| 69.4
| 233759
|
152
| Tree's a Crowd
| 3311
| 46.6
| 233589
|
10183
| How Many Fibs?
| 5599
| 26.9
| 229466
|
315
| Network
| 4806
| 36.4
| 229268
|
10105
| Polynomial Coefficients
| 3423
| 62.1
| 228955
|
232
| Crossword Answers
| 3901
| 52.4
| 227395
|
784
| Maze Exploration
| 4095
| 52.1
| 227384
|
383
| Shipping Routes
| 2418
| 70.7
| 227192
|
193
| Graph Coloring
| 6494
| 27.4
| 227151
|
10474
| Where is the Marble?
| 3998
| 39.7
| 226151
|
10276
| Hanoi Tower Troubles Again!
| 1778
| 75.6
| 225811
|
10931
| Parity
| 2194
| 69.7
| 225528
|
748
| Exponentiation
| 1921
| 60.6
| 222411
|
10509
| R U Kidding Mr. Feynman!
| 2399
| 56.4
| 222008
|
469
| Wetlands of Florida
| 3923
| 33.8
| 221038
|
755
| 487--3279
| 11901
| 25.5
| 220909
|
311
| Packets
| 3311
| 36.4
| 220852
|
10179
| Irreducable Basic Fractions
| 3527
| 42.5
| 220064
|
326
| Extrapolation Using a Difference Table
| 1959
| 61.3
| 219092
|
10130
| SuperSale
| 3597
| 48.4
| 218776
|
110
| Meta-Loopless Sorts
| 6458
| 32.8
| 218625
|
10922
| 2 the 9s
| 2520
| 57.4
| 217717
|
10700
| Camel trading
| 3523
| 36.6
| 217625
|
10487
| Closest Sums
| 3228
| 39.7
| 217401
|
253
| Cube painting
| 3452
| 36.4
| 215162
|
10701
| Pre, in and post
| 2119
| 57.2
| 214905
|
10162
| Last Digit
| 2772
| 39.8
| 214867
|
333
| Recognizing Good ISBNs
| 11320
| 21.7
| 213518
|
10198
| Counting
| 4061
| 38.7
| 211843
|
159
| Word Crosses
| 3153
| 46.8
| 210785
|
10026
| Shoemaker's Problem
| 4330
| 48.0
| 210352
|
170
| Clock Patience
| 2479
| 43.3
| 210152
|
140
| Bandwidth
| 2871
| 44.5
| 209467
|
10168
| Summation of Four Primes
| 5479
| 34.3
| 209142
|
630
| Anagrams (II)
| 3306
| 37.9
| 207696
|
166
| Making Change
| 4038
| 36.1
| 207221
|
10611
| The Playboy Chimp
| 4236
| 38.9
| 206044
|
10656
| Maximum Sum (II)
| 2651
| 44.5
| 205542
|
161
| Traffic Lights
| 3573
| 34.6
| 205539
|
10573
| Geometry Paradox
| 2409
| 46.2
| 205340
|
10242
| Fourth Point !!
| 2759
| 39.8
| 205265
|
10642
| Can You Solve It?
| 1912
| 62.1
| 203149
|
10451
| Ancient Village Sports
| 1867
| 60.0
| 202587
|
558
| Wormholes
| 3612
| 37.8
| 201822
|
10407
| Simple division
| 3209
| 40.4
| 200839
|
10452
| Marcus, help!
| 1845
| 64.4
| 199919
|
10703
| Free spots
| 1826
| 61.3
| 198693
|
325
| Identifying Legal Pascal Real Constants
| 3279
| 31.8
| 197922
|
141
| The Spot Game
| 2287
| 47.0
| 195791
|
793
| Network Connections
| 9339
| 29.8
| 195442
|
639
| Don't Get Rooked
| 1924
| 64.5
| 195349
|
10102
| The path in the colored field
| 4310
| 33.3
| 194910
|
10056
| What is the Probability ?
| 3162
| 36.4
| 194873
|
377
| Cowculations
| 1636
| 63.3
| 193798
|
699
| The Falling Leaves
| 2671
| 60.5
| 193267
|
10622
| Perfect P-th Powers
| 6749
| 22.0
| 193180
|
539
| The Settlers of Catan
| 2030
| 56.0
| 192446
|
10215
| The Largest/Smallest Box ...
| 4515
| 34.5
| 191774
|
10489
| Boxes of Chocolates
| 2231
| 47.0
| 191572
|
10170
| The Hotel with Infinite Rooms
| 2494
| 53.2
| 191515
|
437
| The Tower of Babylon
| 2067
| 49.2
| 191103
|
10377
| Maze Traversal
| 1734
| 60.0
| 191058
|
10285
| Longest Run on a Snowboard
| 2043
| 56.8
| 191041
|
10408
| Farey sequences
| 2032
| 56.7
| 191020
|
10036
| Divisibility
| 4029
| 34.1
| 191000
|
10100
| Longest Match
| 6090
| 20.3
| 190832
|
10427
| Naughty Sleepy Boys
| 2106
| 51.4
| 190614
|
10465
| Homer Simpson
| 4043
| 32.8
| 189557
|
297
| Quadtrees
| 2565
| 42.0
| 189048
|
436
| Arbitrage (II)
| 2603
| 44.6
| 188219
|
644
| Immediate Decodability
| 2326
| 49.5
| 187951
|
10137
| The Trip
| 14464
| 16.8
| 186830
|
114
| Simulation Wizardry
| 4653
| 29.9
| 186313
|
10063
| Knuth's Permutation
| 2374
| 60.4
| 186279
|
115
| Climbing Trees
| 3531
| 35.5
| 185881
|
10365
| Blocks
| 1917
| 53.4
| 185481
|
10299
| Relatives
| 5019
| 26.2
| 185333
|
129
| Krypton Factor
| 2529
| 45.8
| 184723
|
10191
| Longest Nap
| 4443
| 29.7
| 184606
|
332
| Rational Numbers from Repeating Fractions
| 5117
| 24.3
| 183671
|
10633
| Rare Easy Problem
| 2606
| 42.1
| 183476
|
384
| Slurpys
| 2117
| 51.1
| 183057
|
615
| Is It A Tree?
| 8056
| 14.8
| 181924
|
580
| Critical Mass
| 1794
| 54.7
| 180963
|
10049
| Self-describing Sequence
| 2844
| 51.4
| 180429
|
10800
| Not That Kind of Graph
| 3587
| 33.1
| 180408
|
10784
| Diagonal
| 2564
| 38.5
| 180350
|
10678
| The Grazing Cow
| 1296
| 74.9
| 179420
|
10067
| Playing with Wheels
| 3843
| 39.4
| 179121
|
10347
| Medians
| 4007
| 27.7
| 178967
|
429
| Word Transformation
| 3982
| 29.3
| 178873
|
454
| Anagrams
| 4894
| 25.5
| 178141
|
10093
| An Easy Problem!
| 6665
| 16.8
| 177867
|
10298
| Power Strings
| 3582
| 34.0
| 177159
|
10490
| Mr. Azad and his Son!!!!!
| 2035
| 43.6
| 176403
|
10182
| Bee Maja
| 2493
| 58.7
| 176169
|
10279
| Mine Sweeper
| 2889
| 32.7
| 175864
|
628
| Passwords
| 2011
| 59.3
| 175680
|
10176
| Ocean Deep ! - Make it shallow !!
| 2896
| 37.1
| 174802
|
280
| Vertex
| 3735
| 34.9
| 173927
|
10017
| The Never Ending Towers of Hanoi
| 2377
| 50.3
| 172805
|
10684
| The jackpot
| 2308
| 49.0
| 172580
|
10443
| Rock, Scissors, Paper
| 1864
| 63.1
| 172193
|
186
| Trip Routing
| 2073
| 48.5
| 171694
|
164
| String Computer
| 5802
| 30.4
| 171497
|
10415
| Eb Alto Saxophone Player
| 1798
| 57.8
| 171421
|
542
| France '98
| 1522
| 65.3
| 171131
|
126
| The Errant Physicist
| 2814
| 36.6
| 171083
|
727
| Equation
| 5723
| 30.1
| 170558
|
10139
| Factovisors
| 9986
| 16.3
| 170227
|
10115
| Automatic Editing
| 1603
| 50.2
| 169989
|
450
| Little Black Book
| 6911
| 30.4
| 169872
|
187
| Transaction Processing
| 1862
| 49.8
| 169336
|
306
| Cipher
| 6066
| 23.9
| 168322
|
10281
| Average Speed
| 1850
| 46.2
| 166948
|
608
| Counterfeit Dollar
| 3386
| 31.5
| 166078
|
10359
| Tiling
| 1583
| 56.2
| 165987
|
10945
| Mother bear
| 1732
| 56.5
| 165544
|
700
| Date Bugs
| 3497
| 32.8
| 165283
|
10583
| Ubiquitous Religions
| 2937
| 41.2
| 165280
|
696
| How Many Knights
| 3119
| 36.6
| 165215
|
10815
| Andy's First Dictionary
| 3107
| 33.8
| 164942
|
10502
| Counting Rectangles
| 1805
| 60.2
| 164903
|
468
| Key to Success
| 2895
| 33.0
| 164614
|
337
| Interpreting Control Sequences
| 2158
| 61.6
| 164353
|
10404
| Bachet's Game
| 2498
| 50.2
| 162566
|
619
| Numerically Speaking
| 2922
| 53.4
| 161466
|
10491
| Cows and Cars
| 1398
| 70.2
| 161086
|
10196
| Check The Check
| 5918
| 27.4
| 160869
|
10878
| Decode the tape
| 1669
| 60.3
| 160647
|
10033
| Interpreter
| 15521
| 26.4
| 160359
|
10140
| Prime Distance
| 5033
| 25.5
| 160296
|
10020
| Minimal coverage
| 4640
| 26.3
| 160003
|
10077
| The Stern-Brocot Number System
| 1993
| 60.9
| 158820
|
641
| Do the Untwist
| 1506
| 68.1
| 158027
|
260
| Il Gioco dell'X
| 2091
| 44.1
| 157754
|
10293
| Word Length and Frequency
| 1673
| 51.8
| 157729
|
10714
| Ants
| 2144
| 58.4
| 157193
|
507
| Jill Rides Again
| 3911
| 33.1
| 156976
|
127
| ``Accordian'' Patience
| 4094
| 31.4
| 156088
|
10229
| Modular Fibonacci
| 2906
| 33.7
| 155795
|
10664
| Luggage
| 1301
| 56.7
| 154969
|
447
| Population Explosion
| 2013
| 48.1
| 154934
|
10078
| The Art Gallery
| 1830
| 46.6
| 154447
|
10935
| Throwing cards away I
| 1535
| 60.0
| 154234
|
10539
| Almost Prime Numbers
| 3820
| 29.5
| 154000
|
571
| Jugs
| 2608
| 39.3
| 153988
|
620
| Cellular Structure
| 1689
| 50.7
| 153854
|
679
| Dropping Balls
| 2189
| 50.5
| 153785
|
471
| Magic Numbers
| 3051
| 38.9
| 153776
|
188
| Perfect Hash
| 1458
| 56.3
| 152951
|
10903
| Rock-Paper-Scissors Tournament
| 2201
| 46.1
| 152641
|
10970
| Big Chocolate
| 2022
| 64.3
| 152375
|
10080
| Gopher II
| 4358
| 29.5
| 152305
|
10400
| Game Show Math
| 4522
| 28.0
| 151672
|
10301
| Rings and Glue
| 3777
| 21.1
| 151563
|
10905
| Children's Game
| 2247
| 36.7
| 151252
|
466
| Mirror, Mirror
| 1514
| 57.7
| 150742
|
263
| Number Chains
| 3194
| 40.3
| 150691
|
11000
| Bee
| 2445
| 40.2
| 149995
|
457
| Linear Cellular Automata
| 1727
| 52.8
| 149085
|
273
| Jack Straws
| 3606
| 26.8
| 148943
|
10494
| If We Were a Child Again
| 2806
| 27.0
| 148897
|
712
| S-Trees
| 1828
| 60.4
| 148870
|
10141
| Request for Proposal
| 2646
| 35.2
| 147963
|
131
| The Psychic Poker Player
| 1767
| 49.7
| 147837
|
10125
| Sumsets
| 7527
| 18.1
| 146915
|
301
| Transportation
| 2783
| 34.2
| 146442
|
448
| OOPS!
| 3053
| 50.0
| 146364
|
10948
| The primary problem
| 1678
| 47.3
| 146016
|
626
| Ecosystem
| 1693
| 49.4
| 145657
|
10258
| Contest Scoreboard
| 5427
| 22.6
| 144051
|
10508
| Word Morphing
| 3953
| 32.6
| 144016
|
10007
| Count the Trees
| 3631
| 28.9
| 143611
|
10112
| Myacm Triangles
| 1319
| 53.4
| 142823
|
10303
| How Many Trees?
| 2930
| 31.1
| 141811
|
10081
| Tight Words
| 1491
| 52.0
| 141741
|
762
| We Ship Cheap
| 3869
| 29.0
| 140612
|
394
| Mapmaker
| 1150
| 67.9
| 139769
|
10673
| Play with Floor and Ceil
| 2126
| 43.4
| 139597
|
785
| Grid Colouring
| 3544
| 36.7
| 139066
|
10188
| Automated Judge Script
| 3935
| 25.5
| 139006
|
585
| Triangles
| 3425
| 31.3
| 136403
|
435
| Block Voting
| 1485
| 63.8
| 136276
|
10940
| Throwing cards away II
| 2278
| 54.4
| 136108
|
839
| Not so Mobile
| 2945
| 48.4
| 135853
|
651
| Deck
| 1272
| 63.1
| 134896
|
825
| Walking on the Safe Side
| 3038
| 32.5
| 134846
|
10363
| Tic Tac Toe
| 2303
| 33.4
| 134254
|
10032
| Tug of War
| 6264
| 21.0
| 132663
|
10496
| Collecting Beepers
| 1299
| 57.6
| 132506
|
148
| Anagram checker
| 3015
| 34.1
| 132029
|
10205
| Stack 'em Up
| 3739
| 32.9
| 131870
|
10375
| Choose and divide
| 1813
| 38.3
| 131473
|
10392
| Factoring Large Numbers
| 1746
| 54.8
| 131012
|
10397
| Connect the Campus
| 4691
| 24.0
| 130127
|
397
| Equation Elation
| 1741
| 49.3
| 128292
|
177
| Paper Folding
| 1505
| 58.3
| 128259
|
654
| Ratio
| 1729
| 43.8
| 128122
|
331
| Mapping the Swaps
| 1353
| 52.5
| 127715
|
10311
| Goldbach and Euler
| 8540
| 18.9
| 127593
|
10002
| Center of Masses
| 5689
| 22.2
| 126820
|
677
| All Walks of length ``n'' from the first node
| 1720
| 42.6
| 126763
|
10719
| Quotient Polynomial
| 1724
| 50.1
| 126323
|
10954
| Add All
| 2163
| 33.3
| 126317
|
10341
| Solve It
| 4034
| 24.1
| 125656
|
10693
| Traffic Volume
| 784
| 75.1
| 125449
|
10152
| ShellSort
| 11887
| 40.0
| 124953
|
10706
| Number Sequence
| 2084
| 36.2
| 124510
|
681
| Convex Hull Finding
| 5162
| 20.5
| 124339
|
10283
| The Kissing Circles
| 1541
| 51.6
| 124035
|
10344
| 23 out of 5
| 3092
| 25.1
| 123446
|
134
| Loglan-A Logical Language
| 2448
| 26.2
| 122634
|
10500
| Robot maps
| 2453
| 32.0
| 122354
|
353
| Pesky Palindromes
| 2627
| 41.8
| 122345
|
10374
| Election
| 1598
| 43.0
| 121603
|
10129
| Play on Words
| 6066
| 22.7
| 121535
|
10790
| How Many Points of Intersection?
| 1426
| 50.6
| 121347
|
10852
| Less Prime
| 971
| 70.8
| 121327
|
183
| Bit Maps
| 2539
| 29.1
| 120591
|
617
| Nonstop Travel
| 1246
| 49.4
| 119995
|
10126
| Zipf's Law
| 2961
| 27.3
| 119884
|
10057
| A mid-summer night's dream.
| 2897
| 29.0
| 119532
|
10194
| Football (aka Soccer)
| 4475
| 21.1
| 119019
|
10177
| (2/3/4)-D Sqr/Rects/Cubes/Boxes?
| 1287
| 52.9
| 118798
|
895
| Word Problem
| 1517
| 55.6
| 118449
|
701
| The Archeologists' Dilemma
| 12883
| 31.4
| 118285
|
10128
| Queue
| 1957
| 49.0
| 117474
|
535
| Globetrotter
| 2094
| 30.7
| 117353
|
711
| Dividing up
| 5932
| 17.2
| 116955
|
184
| Laser Lines
| 1879
| 43.3
| 116818
|
434
| Matty's Blocks
| 1784
| 36.3
| 116011
|
10600
| ACM Contest and Blackout
| 2360
| 33.6
| 115812
|
10551
| Basic Remains
| 1199
| 49.9
| 115609
|
208
| Firetruck
| 3761
| 21.2
| 115415
|
10022
| Delta-wave
| 1655
| 47.0
| 115007
|
416
| LED Test
| 1521
| 36.8
| 114961
|
379
| Hi-Q
| 928
| 67.6
| 113807
|
270
| Lining Up
| 6922
| 13.9
| 113693
|
10267
| Graphical Editor
| 9192
| 14.0
| 113347
|
821
| Page Hopping
| 1394
| 56.5
| 113275
|
213
| Message Decoding
| 2007
| 39.0
| 113103
|
10069
| Distinct Subsequences
| 4073
| 26.8
| 112829
|
10005
| Packing polygons
| 4405
| 22.1
| 112140
|
634
| Polygon
| 1152
| 51.8
| 112096
|
10519
| !! Really Strange !!
| 2045
| 30.7
| 111961
|
10730
| Antiarithmetic?
| 1668
| 44.0
| 111654
|
556
| Amazing
| 1106
| 58.9
| 111279
|
10054
| The Necklace
| 4613
| 20.2
| 110967
|
254
| Towers of Hanoi
| 4509
| 17.9
| 110747
|
10523
| Very Easy !!!
| 3727
| 19.8
| 110371
|
165
| Stamps
| 1803
| 37.3
| 110114
|
590
| Always on the run
| 1138
| 57.9
| 110018
|
10016
| Flip-Flop the Squarelotron
| 1568
| 60.5
| 109937
|
132
| Bumpy Objects
| 1972
| 40.6
| 109913
|
10360
| Rat Attack
| 3071
| 39.8
| 109581
|
10596
| Morning Walk
| 1767
| 39.8
| 109457
|
10919
| Prerequisites?
| 907
| 69.7
| 108726
|
10287
| Gifts in a Hexagonal Box
| 1057
| 60.1
| 108710
|
540
| Team Queue
| 2575
| 33.5
| 107879
|
391
| Mark-up
| 3375
| 29.9
| 107836
|
10368
| Euclid's Game
| 1658
| 39.0
| 107836
|
10803
| Thunder Mountain
| 1917
| 40.9
| 107618
|
10197
| Learning Portuguese
| 2155
| 32.8
| 107336
|
526
| String Distance and Transform Process
| 2891
| 33.0
| 107303
|
10620
| A Flea on a Chessboard
| 1812
| 42.4
| 107123
|
602
| What Day Is It?
| 6561
| 29.6
| 106591
|
10534
| Wavio Sequence
| 2741
| 37.9
| 105700
|
657
| The die is cast
| 1671
| 48.3
| 105219
|
703
| Triple Ties: The Organizer's Nightmare
| 1464
| 44.3
| 104669
|
10061
| How many zero's and how many digits ?
| 2808
| 22.1
| 104299
|
10507
| Waking up brain
| 1570
| 37.3
| 103883
|
10393
| The One-Handed Typist
| 2221
| 29.9
| 103782
|
162
| Beggar My Neighbour
| 1515
| 44.2
| 103381
|
10702
| Travelling Salesman
| 2124
| 52.4
| 103335
|
550
| Multiplying by Rotation
| 1351
| 45.5
| 103189
|
10667
| Largest Block
| 888
| 60.1
| 102955
|
614
| Mapping the Route
| 1166
| 58.7
| 102767
|
884
| Factorial Factors
| 3806
| 43.6
| 102599
|
10566
| Crossed Ladders
| 1418
| 41.8
| 102462
|
10683
| The decadary watch
| 1048
| 57.2
| 102320
|
741
| Burrows Wheeler Decoder
| 1517
| 48.6
| 102258
|
10680
| LCM
| 2194
| 38.4
| 101965
|
10226
| Hardwood Species
| 4778
| 22.8
| 101912
|
10810
| Ultra-QuickSort
| 2588
| 34.4
| 101718
|
10976
| Fractions Again?!
| 940
| 56.6
| 101702
|
10653
| Bombs! NO they are Mines!!
| 2237
| 31.6
| 101471
|
10926
| How Many Dependencies?
| 1436
| 38.0
| 101362
|
668
| Parliament
| 1692
| 45.2
| 101350
|
381
| Making the Grade
| 869
| 65.5
| 100898
|
10199
| Tourist Guide
| 2698
| 28.5
| 100862
|
10051
| Tower of Cubes
| 2365
| 35.4
| 100666
|
601
| The PATH
| 2085
| 31.1
| 100570
|
196
| Spreadsheet
| 3616
| 21.9
| 100522
|
820
| Internet Bandwidth
| 2912
| 35.6
| 100442
|
850
| Crypt Kicker II
| 4846
| 20.5
| 100318
|
638
| Finding Rectangles
| 1851
| 40.1
| 100282
|
10227
| Forests
| 1616
| 35.7
| 100155
|
11005
| Cheapest Base
| 1752
| 42.4
| 99646
|
10065
| Useless Tile Packers
| 1846
| 33.7
| 99586
|
588
| Video Surveillance
| 1182
| 42.5
| 99141
|
10165
| Stone Game
| 1163
| 51.4
| 99056
|
10813
| Traditional BINGO
| 1153
| 49.0
| 98877
|
481
| What Goes Up
| 4289
| 17.9
| 98309
|
10928
| My Dear Neighbours
| 1052
| 55.7
| 97979
|
10918
| Tri Tiling
| 815
| 61.7
| 97861
|
10943
| How do you add?
| 1263
| 49.6
| 97747
|
10422
| Knights in FEN
| 2096
| 41.9
| 97339
|
10651
| Pebble Solitaire
| 745
| 74.6
| 97333
|
627
| The Net
| 1273
| 45.3
| 97115
|
714
| Copying Books
| 4426
| 16.5
| 96924
|
10916
| Factstone Benchmark
| 981
| 62.4
| 96909
|
632
| Compression (II)
| 2107
| 29.2
| 96867
|
598
| Bundling Newspapers
| 2978
| 34.9
| 96759
|
10245
| The Closest Pair Problem
| 7411
| 17.3
| 96589
|
10037
| Bridge
| 4824
| 21.2
| 96292
|
501
| Black Box
| 4708
| 19.6
| 96228
|
10908
| Largest Square
| 987
| 51.3
| 95536
|
10930
| A-Sequence
| 2152
| 25.5
| 95113
|
362
| 18,000 Seconds Remaining
| 2087
| 36.5
| 94155
|
665
| False coin
| 2041
| 33.8
| 93976
|
10171
| Meeting Prof. Miguel...
| 2160
| 25.6
| 93455
|
142
| Mouse Clicks
| 4035
| 18.5
| 93343
|
808
| Bee Breeding
| 2653
| 41.0
| 93214
|
403
| Postscript
| 1566
| 29.8
| 93209
|
347
| Run, Run, Runaround Numbers
| 3009
| 18.8
| 92968
|
10330
| Power Transmission
| 2423
| 32.7
| 92913
|
10780
| Again Prime? No Time.
| 1790
| 33.1
| 92901
|
10650
| Determinate Prime
| 2255
| 24.8
| 92543
|
10147
| Highways
| 3604
| 22.9
| 92365
|
10791
| Minimum Sum LCM
| 2387
| 22.0
| 92072
|
10201
| Adventures in Moving - Part IV
| 2695
| 25.9
| 92068
|
10060
| A hole to catch a man
| 1437
| 33.9
| 91191
|
327
| Evaluating Simple C Expressions
| 2140
| 31.4
| 91141
|
776
| Monkeys in a Regular Forest
| 1837
| 36.8
| 91019
|
10669
| Three powers
| 1017
| 50.7
| 90996
|
586
| Instant Complexity
| 1336
| 40.3
| 90985
|
10738
| Riemann vs Mertens
| 1950
| 57.9
| 90642
|
10602
| Editor Nottobad
| 1360
| 40.4
| 90602
|
339
| SameGame Simulation
| 1480
| 42.2
| 90553
|
10012
| How Big Is It?
| 3412
| 27.0
| 90522
|
10879
| Code Refactoring
| 964
| 56.8
| 90406
|
137
| Polygons
| 2722
| 25.1
| 90279
|
10946
| You want what filled?
| 1076
| 43.1
| 89786
|
763
| Fibinary Numbers
| 3276
| 26.3
| 89729
|
10880
| Colin and Ryan
| 1881
| 31.1
| 89619
|
10268
| 498-bis
| 3844
| 20.1
| 89218
|
688
| Mobile Phone Coverage
| 1832
| 35.9
| 89199
|
10493
| Cats, with or without Hats
| 1356
| 41.2
| 89096
|
10589
| Area
| 2008
| 39.0
| 88984
|
10369
| Arctic Network
| 2722
| 31.0
| 88691
|
380
| Call Forwarding
| 903
| 57.0
| 88474
|
10518
| How Many Calls?
| 1683
| 38.2
| 88314
|
10210
| Romeo and Juliet !
| 915
| 56.8
| 87848
|
10391
| Compound Words
| 2224
| 28.3
| 87834
|
10326
| The Polynomial Equation
| 2041
| 34.9
| 87834
|
10522
| Height to Area
| 1263
| 35.2
| 87573
|
10202
| Pairsumonious Numbers
| 1498
| 43.3
| 87280
|
538
| Balancing Bank Accounts
| 1254
| 49.0
| 86906
|
10689
| Yet another Number Sequence
| 1620
| 38.1
| 86665
|
737
| Gleaming the Cubes
| 1554
| 48.5
| 86621
|
10364
| Square
| 4149
| 22.3
| 86268
|
10304
| Optimal Binary Search Tree
| 2224
| 41.5
| 86227
|
10249
| The Grand Dinner
| 2315
| 32.4
| 86026
|
10213
| How Many Pieces of Land ?
| 2881
| 22.9
| 85958
|
312
| Crosswords (II)
| 1266
| 39.1
| 85883
|
10142
| Australian Voting
| 10704
| 16.2
| 85836
|
10763
| Foreign Exchange
| 1837
| 44.5
| 85796
|
10088
| Trees on My Island
| 2430
| 32.4
| 85377
|
10446
| The Marriage Interview :-)
| 1837
| 32.0
| 85265
|
10910
| Marks Distribution
| 1131
| 46.0
| 85059
|
218
| Moth Eradication
| 4353
| 18.4
| 84366
|
10497
| Sweet Child Makes Trouble
| 1208
| 43.1
| 84007
|
10306
| e-Coins
| 1165
| 49.6
| 83999
|
10527
| Persistent Numbers
| 1010
| 50.9
| 83217
|
551
| Nesting a Bunch of Brackets
| 2561
| 34.8
| 83166
|
533
| Equation Solver
| 1261
| 49.7
| 82954
|
10705
| The Fun Number System
| 1612
| 39.6
| 82815
|
393
| The Doors
| 1029
| 41.1
| 82732
|
622
| Grammar Evaluation
| 1529
| 33.3
| 82530
|
11044
| Searching for Nessy
| 535
| 80.4
| 82322
|
545
| Heads
| 4189
| 15.3
| 82313
|
10484
| Divisibility of Factors
| 1896
| 28.5
| 82025
|
10865
| Brownie Points
| 618
| 73.9
| 81969
|
10001
| Garden of Eden
| 2128
| 32.3
| 81240
|
290
| Palindroms <---> smordnilaP
| 1554
| 39.0
| 81168
|
462
| Bridge Hand Evaluator
| 1347
| 45.7
| 80908
|
10773
| Back to Intermediate Math
| 1463
| 32.3
| 80833
|
10925
| Krakovia
| 1268
| 36.4
| 80659
|
10132
| File Fragmentation
| 1891
| 35.9
| 80469
|
10047
| The Monocycle
| 1233
| 41.8
| 80243
|
10849
| Move the bishop
| 1313
| 46.0
| 79928
|
697
| Jack and Jill
| 2321
| 41.5
| 79924
|
314
| Robot
| 2543
| 25.8
| 79723
|
10739
| String to Palindrome
| 942
| 61.9
| 79610
|
245
| Uncompress
| 1836
| 34.9
| 78959
|
10309
| Turn the Lights Off
| 917
| 58.9
| 78951
|
296
| Safebreaker
| 1180
| 40.6
| 78945
|
833
| Water Falls
| 1187
| 57.3
| 78933
|
554
| Caesar Cypher
| 2106
| 27.1
| 78585
|
11040
| Add bricks in the wall
| 697
| 79.6
| 78537
|
705
| Slash Maze
| 1330
| 42.1
| 78304
|
10504
| Hidden squares
| 1122
| 56.4
| 78169
|
318
| Domino Effect
| 2906
| 22.8
| 78155
|
547
| DDF
| 1745
| 34.9
| 78118
|
135
| No Rectangles
| 2004
| 34.9
| 77986
|
321
| The New Villa
| 1866
| 36.0
| 77966
|
10646
| What is the Card?
| 606
| 72.9
| 77934
|
302
| John's trip
| 3689
| 27.3
| 77822
|
10337
| Flight Planner
| 843
| 67.4
| 77591
|
375
| Inscribed Circles and Isosceles Triangles
| 1893
| 41.3
| 77483
|
395
| Board Silly
| 841
| 54.1
| 77004
|
10308
| Roads in the North
| 2051
| 26.6
| 76849
|
10920
| Spiral Tap
| 932
| 51.5
| 76844
|
523
| Minimum Transport Cost
| 3387
| 23.1
| 76770
|
10075
| Airlines
| 924
| 46.0
| 76656
|
616
| Coconuts, Revisited
| 3816
| 15.5
| 76575
|
10503
| The dominoes solitaire
| 869
| 54.9
| 76557
|
604
| The Boggle Game
| 1821
| 32.3
| 76164
|
10871
| Anti-Primes
| 951
| 60.0
| 76072
|
10120
| Gift?!
| 1642
| 30.3
| 75987
|
255
| Correct Move
| 1525
| 41.7
| 75885
|
220
| Othello
| 2128
| 41.3
| 75859
|
855
| Lunch in Grid City
| 1882
| 34.1
| 75358
|
418
| Molecules
| 1345
| 54.3
| 75152
|
517
| Word
| 2036
| 25.0
| 75100
|
276
| Egyptian Multiplication
| 1908
| 28.1
| 75066
|
10092
| The Problem with the Problem Setter
| 1993
| 28.9
| 75036
|
10677
| Base Equality
| 575
| 73.9
| 74889
|
10801
| Lift Hopping
| 1443
| 36.2
| 74817
|
10178
| Count the Faces.
| 1849
| 24.9
| 74656
|
10325
| The Lottery
| 1715
| 29.4
| 74465
|
10896
| Known Plaintext Attack
| 841
| 46.5
| 74376
|
157
| Route Finding
| 1505
| 29.8
| 74350
|
10820
| Send a Table
| 1533
| 51.9
| 74185
|
11015
| 05-2 Rendezvous
| 955
| 46.1
| 74065
|
10354
| Avoiding Your Boss
| 2845
| 22.3
| 73753
|
10774
| Repeated Josephus
| 642
| 76.0
| 73567
|
10617
| Again Palindrome
| 1236
| 42.6
| 73560
|
796
| Critical Links
| 2491
| 29.2
| 73498
|
880
| Cantor Fractions
| 1539
| 29.9
| 73461
|
10541
| Stripe
| 1111
| 43.6
| 73446
|
743
| The MTM Machine
| 1471
| 41.1
| 73017
|
10307
| Killing Aliens in Borg Maze
| 1471
| 40.9
| 72990
|
209
| Triangular Vertices
| 2302
| 31.6
| 72936
|
181
| Hearts
| 809
| 49.7
| 72604
|
172
| Calculator Language
| 1732
| 25.2
| 72419
|
670
| The dog task
| 2763
| 23.8
| 71928
|
10315
| Poker Hands
| 3333
| 21.1
| 71876
|
345
| It's Ir-Resist-Able!
| 1389
| 29.4
| 71764
|
10895
| Matrix Transpose
| 787
| 53.6
| 71763
|
10356
| Rough Roads
| 1772
| 34.0
| 71496
|
10371
| Time Zones
| 2094
| 29.2
| 71222
|
671
| Spell checker
| 1661
| 31.1
| 71021
|
10460
| Find the Permuted String
| 972
| 51.1
| 70681
|
584
| Bowling
| 1483
| 45.6
| 70456
|
168
| Theseus and the Minotaur
| 4606
| 29.5
| 70132
|
139
| Telephone Tangles
| 6149
| 11.0
| 70093
|
10554
| Calories from Fat
| 679
| 62.3
| 69837
|
493
| Rational Spiral
| 1720
| 35.3
| 69801
|
175
| Keywords
| 1383
| 30.9
| 69613
|
10174
| Couple-Bachelor-Spinster Numbers.
| 1494
| 27.5
| 69455
|
10610
| Gopher and Hawks
| 1425
| 32.3
| 69455
|
10586
| Polynomial Remains
| 814
| 56.4
| 69356
|
756
| Biorhythms
| 3371
| 20.6
| 69291
|
158
| Calendar
| 2025
| 21.2
| 69070
|
10894
| Save Hridoy
| 1002
| 49.3
| 69016
|
349
| Transferable Voting (II)
| 976
| 39.4
| 68859
|
143
| Orchard Trees
| 9495
| 8.6
| 68744
|
10892
| LCM Cardinality
| 938
| 42.5
| 68687
|
10233
| Dermuba Triangle
| 946
| 46.9
| 68518
|
861
| Little Bishops
| 3329
| 31.7
| 68468
|
10284
| Chessboard in FEN
| 748
| 50.3
| 68438
|
10721
| Bar Codes
| 1010
| 44.9
| 67873
|
10259
| Hippity Hopscotch
| 1560
| 39.9
| 67802
|
10528
| Major Scales
| 807
| 66.9
| 67642
|
10090
| Marbles
| 3603
| 16.3
| 67586
|
222
| Budget Travel
| 2018
| 28.6
| 67320
|
10776
| Determine The Combination
| 866
| 46.8
| 67305
|
427
| FlatLand Piano Movers
| 845
| 45.7
| 67266
|
313
| Intervals
| 1501
| 31.5
| 66995
|
10387
| Billiard
| 610
| 59.7
| 66973
|
426
| Fifth Bank of Swamp County
| 1245
| 38.5
| 66778
|
10717
| Mint
| 1079
| 44.5
| 66778
|
10113
| Exchange Rates
| 730
| 51.1
| 66526
|
185
| Roman Numerals
| 680
| 46.9
| 66403
|
10543
| Traveling Politician
| 1433
| 31.0
| 66212
|
10637
| Coprimes
| 1034
| 52.9
| 65434
|
704
| Colour Hash
| 2204
| 40.7
| 65406
|
710
| The Game
| 1870
| 26.9
| 65323
|
10044
| Erdos Numbers
| 9485
| 14.9
| 65239
|
10672
| Marbles on a tree
| 677
| 56.9
| 65150
|
702
| The Vindictive Coach
| 1142
| 35.2
| 64932
|
487
| Boggle Blitz
| 1627
| 31.4
| 64799
|
398
| 18-Wheeler Caravans (aka Semigroups)
| 690
| 50.9
| 64771
|
388
| Galactic Import
| 632
| 56.0
| 64684
|
10312
| Expression Bracketing
| 929
| 44.3
| 64328
|
10603
| Fill
| 695
| 63.9
| 64104
|
341
| Non-Stop Travel
| 641
| 60.1
| 64028
|
179
| Code Breaking
| 1589
| 24.2
| 63964
|
815
| Flooded!
| 1636
| 37.6
| 63946
|
603
| Parking Lot
| 2554
| 23.1
| 63690
|
387
| A Puzzling Problem
| 1126
| 35.3
| 63542
|
10994
| Simple Addition
| 994
| 33.2
| 63379
|
753
| A Plug for UNIX
| 1836
| 24.0
| 62919
|
647
| Chutes and Ladders
| 738
| 62.5
| 62737
|
732
| Anagrams by Stack
| 1559
| 35.0
| 62717
|
10585
| Center of symmetry
| 1031
| 42.3
| 62592
|
10959
| The Party, Part I
| 700
| 57.0
| 62582
|
178
| Shuffling Patience
| 866
| 43.1
| 62557
|
10289
| A Square and Equilateral Triangles
| 705
| 62.7
| 62510
|
589
| Pushing Boxes
| 7699
| 9.7
| 62429
|
334
| Identifying Concurrent Events
| 894
| 50.8
| 62350
|
812
| Trade on Verweggistan
| 1995
| 36.8
| 62271
|
10203
| Snow Clearing
| 1433
| 28.8
| 62179
|
11039
| Building designing
| 913
| 57.2
| 61969
|
10290
| {Sum+=i++} to Reach N
| 4383
| 18.4
| 61845
|
520
| Append
| 1447
| 31.7
| 61833
|
10625
| GNU = GNU'sNotUnix
| 1299
| 38.0
| 61566
|
449
| Majoring in Scales
| 1400
| 41.1
| 61450
|
10440
| Ferry Loading II
| 815
| 48.3
| 61312
|
10785
| The Mad Numerologist
| 618
| 48.1
| 61263
|
865
| Substitution Cypher
| 985
| 37.8
| 60968
|
10453
| Make Palindrome
| 1659
| 27.7
| 60920
|
10164
| Number Game
| 1579
| 32.9
| 60757
|
10401
| Injured Queen Problem
| 1165
| 38.7
| 60709
|
10851
| 2D Hieroglyphs decoder
| 439
| 72.7
| 60528
|
10718
| Bit Mask
| 979
| 41.5
| 60107
|
10150
| Doublets
| 4273
| 15.6
| 59987
|
10856
| Recover Factorial
| 1755
| 30.1
| 59956
|
10720
| Graph Construction
| 1470
| 27.1
| 59740
|
10217
| A Dinner with Schwarzenegger!!!
| 918
| 37.3
| 59679
|
308
| Tin Cutter
| 1052
| 35.7
| 59674
|
10246
| Asterix and Obelix
| 1881
| 29.9
| 59596
|
150
| Double Time
| 1647
| 26.8
| 59542
|
410
| Station Balance
| 2402
| 21.5
| 59397
|
10097
| The Color Game
| 767
| 61.3
| 59233
|
10978
| Let's Play Magic!
| 485
| 66.6
| 59018
|
11057
| Exact Sum
| 806
| 49.4
| 58941
|
10662
| The Wedding
| 542
| 72.0
| 58611
|
10154
| Weights and Measures
| 4954
| 13.8
| 58566
|
10271
| Chopsticks
| 2684
| 44.9
| 58510
|
211
| The Domino Effect
| 939
| 45.7
| 58443
|
10670
| Work Reduction
| 858
| 42.0
| 58341
|
10313
| Pay the Price
| 2037
| 25.4
| 58302
|
529
| Addition Chains
| 2597
| 20.1
| 57921
|
565
| Pizza Anyone?
| 1585
| 43.7
| 57777
|
11063
| B2-Sequence
| 1011
| 32.4
| 57701
|
399
| Another Puzzling Problem
| 799
| 47.7
| 57510
|
10250
| The Other Two Trees
| 748
| 48.7
| 57492
|
10058
| Jimmi's Riddles
| 1048
| 30.3
| 57344
|
10083
| Division
| 1825
| 18.5
| 57303
|
171
| Car Trialling
| 2841
| 11.5
| 57156
|
467
| Synching Signals
| 1512
| 46.0
| 57154
|
242
| Stamps and Envelope Size
| 1209
| 44.8
| 57108
|
10094
| Place the Guards
| 1252
| 32.7
| 56924
|
656
| Optimal Programs
| 1210
| 38.4
| 56892
|
10333
| The Tower of ASCII
| 733
| 59.6
| 56754
|
10406
| Cutting tabletops
| 772
| 42.4
| 56565
|
182
| Bonus Bonds
| 570
| 50.4
| 56493
|
10212
| The Last Non-zero Digit.
| 3877
| 12.2
| 56466
|
548
| Tree
| 2408
| 24.0
| 56372
|
10947
| Bear with me, again..
| 1088
| 52.2
| 56243
|
10146
| Dictionary
| 1612
| 30.3
| 56226
|
405
| Message Routing
| 758
| 43.9
| 56216
|
10742
| The New Rule in Euphomia
| 751
| 58.6
| 55933
|
11059
| Maximum Product
| 764
| 39.5
| 55923
|
518
| Time
| 1170
| 27.5
| 55841
|
10891
| Game of Sum
| 694
| 54.5
| 55755
|
10576
| Y2K Accounting Bug
| 823
| 53.2
| 55638
|
10296
| Jogging Trails
| 1400
| 37.0
| 55591
|
521
| Gossiping
| 799
| 41.4
| 55443
|
338
| Long Multiplication
| 4715
| 10.6
| 55288
|
390
| Letter Sequence Analysis
| 723
| 49.9
| 55100
|
10351
| Cutting Diamonds
| 626
| 50.0
| 55081
|
10578
| The Game of 31
| 786
| 53.8
| 54961
|
10635
| Prince and Princess
| 1174
| 34.2
| 54934
|
464
| Sentence/Phrase Generator
| 935
| 54.9
| 54922
|
10681
| Teobaldo's Trip
| 894
| 37.0
| 54856
|
274
| Cat and Mouse
| 2179
| 19.3
| 54500
|
10806
| Dijkstra, Dijkstra.
| 1170
| 35.3
| 54037
|
10029
| Edit Step Ladders
| 4099
| 14.5
| 53996
|
10616
| Divisible Group Sums
| 1207
| 34.5
| 53711
|
592
| Island of Logic
| 922
| 33.6
| 53649
|
843
| Crypt Kicker
| 5113
| 20.3
| 53620
|
10634
| Say NO to Memorization
| 772
| 38.2
| 53570
|
268
| Double Trouble
| 881
| 50.3
| 53392
|
672
| Gangsters
| 1646
| 35.4
| 53269
|
10536
| Game of Euler
| 1013
| 52.6
| 53246
|
557
| Burger
| 1888
| 22.7
| 52902
|
10821
| Constructing BST
| 802
| 49.4
| 52875
|
698
| Index
| 1850
| 22.4
| 52805
|
662
| Fast Food
| 1041
| 35.6
| 52804
|
897
| Anagrammatic Primes
| 722
| 48.6
| 52674
|
10254
| The Priest Mathematician
| 1386
| 38.5
| 52357
|
10232
| Bit-wise Sequence
| 541
| 62.7
| 52306
|
10912
| Simple Minded Hashing
| 1265
| 32.4
| 52074
|
303
| Pipe
| 747
| 36.5
| 52057
|
607
| Scheduling Lectures
| 2987
| 20.0
| 51864
|
10668
| Expanding Rods
| 1702
| 17.9
| 51852
|
10466
| How Far?
| 1755
| 27.4
| 51661
|
10842
| Traffic Flow
| 773
| 45.9
| 51601
|
10520
| Determine it
| 759
| 46.8
| 51335
|
10666
| The Eurocup is Here!
| 518
| 57.5
| 51323
|
871
| Counting Cells in a Blob
| 795
| 41.8
| 51314
|
428
| Swamp County Roofs
| 637
| 49.8
| 51205
|
221
| Urban Elevations
| 1969
| 28.9
| 51031
|
10862
| Connect the Cable Wires
| 573
| 61.8
| 51009
|
198
| Peter's Calculator
| 1554
| 17.6
| 50822
|
174
| Strategy
| 786
| 35.1
| 50653
|
11001
| Necklace
| 782
| 40.4
| 50624
|
892
| Finding words
| 866
| 61.3
| 50578
|
10111
| Find the Winning Move
| 991
| 34.3
| 50487
|
10685
| Nature
| 1110
| 31.1
| 50255
|
10532
| Combination! Once Again
| 1156
| 31.7
| 50170
|
10823
| Of Circles and Squares
| 1028
| 37.0
| 50032
|
452
| Project Scheduling
| 1319
| 26.9
| 50022
|
10482
| The Candyman Can
| 2090
| 38.6
| 49862
|
10263
| Railway
| 766
| 37.6
| 49476
|
10264
| The Most Potent Corner
| 556
| 65.3
| 49412
|
10855
| Rotated square
| 454
| 64.1
| 49300
|
10396
| Vampire Numbers
| 891
| 37.9
| 49105
|
215
| Spreadsheet Calculator
| 1016
| 30.9
| 49081
|
10555
| Dead Fraction
| 926
| 32.9
| 49016
|
10567
| Helping Fill Bates
| 1428
| 26.4
| 48929
|
10986
| Sending email
| 1453
| 27.3
| 48904
|
10257
| Dick and Jane
| 784
| 38.3
| 48809
|
10039
| Railroads
| 2009
| 27.9
| 48622
|
10830
| A New Function
| 836
| 50.5
| 48577
|
433
| Bank (Not Quite O.C.R.)
| 939
| 30.5
| 48459
|
10991
| Region
| 416
| 64.7
| 48394
|
633
| A Chess Knight
| 2375
| 14.4
| 48305
|
11042
| Complex, difficult and complicated
| 466
| 54.3
| 48282
|
10261
| Ferry Loading
| 3195
| 18.5
| 48235
|
10564
| Paths through the Hourglass
| 1333
| 27.2
| 48149
|
745
| Numeric Puzzles Again!
| 672
| 48.5
| 48055
|
10439
| Temple of Dune
| 781
| 41.0
| 47735
|
10814
| Simplifying Fractions
| 1030
| 27.6
| 47624
|
10328
| Coin Toss
| 947
| 37.6
| 47490
|
613
| Numbers That Count
| 2289
| 15.2
| 47474
|
10167
| Birthday Cake
| 1413
| 24.1
| 47420
|
10410
| Tree Reconstruction
| 1523
| 26.7
| 47334
|
10679
| I Love Strings!!
| 4844
| 14.0
| 47270
|
10024
| Curling up the cube
| 1068
| 36.8
| 47133
|
415
| Sunrise
| 886
| 47.6
| 47064
|
735
| Dart-a-Mania
| 1027
| 48.1
| 46909
|
570
| Stats
| 497
| 60.6
| 46809
|
519
| Puzzle (II)
| 1246
| 23.0
| 46761
|
10574
| Counting Rectangles
| 2128
| 26.1
| 46730
|
10357
| Playball !!!
| 463
| 52.3
| 46667
|
346
| Getting Chorded
| 1319
| 21.7
| 46591
|
561
| Jackpot
| 802
| 36.8
| 46511
|
10495
| Conic Distance
| 516
| 52.1
| 46380
|
869
| Airline Comparison
| 712
| 69.4
| 46002
|
618
| Doing Windows
| 795
| 29.4
| 45906
|
192
| Synchronous Design
| 828
| 29.8
| 45595
|
10816
| Travel in Desert
| 2135
| 20.2
| 45590
|
432
| Modern Art
| 718
| 51.0
| 45577
|
837
| Light and Transparencies
| 1112
| 48.1
| 45456
|
10419
| Sum-up the Primes
| 2066
| 24.5
| 45428
|
10416
| Folding My T-Shirt
| 812
| 41.1
| 45051
|
10134
| AutoFish
| 806
| 38.3
| 45024
|
10911
| Forming Quiz Teams
| 892
| 44.5
| 44811
|
10350
| Liftless EME
| 730
| 52.7
| 44767
|
10436
| Cheapest way
| 863
| 35.9
| 44655
|
10964
| Strange Planet
| 631
| 41.2
| 44639
|
658
| It's not a Bug, it's a Feature!
| 1694
| 28.0
| 44630
|
10804
| Gopher Strategy
| 1435
| 25.5
| 44371
|
10021
| Cube in the labirint
| 1120
| 24.7
| 44368
|
10733
| The Colored Cubes
| 459
| 61.7
| 44355
|
10506
| The Ouroboros problem
| 529
| 59.9
| 44345
|
11054
| Wine trading in Gergovia
| 503
| 58.4
| 44305
|
10382
| Watering Grass
| 2114
| 18.0
| 44292
|
625
| Compression
| 977
| 30.8
| 44248
|
425
| Enigmatic Encryption
| 1183
| 32.3
| 44220
|
10655
| Contemplation - Algebra
| 2179
| 12.4
| 44145
|
10942
| Can of Beans
| 492
| 51.6
| 44138
|
10793
| The Orc Attack
| 670
| 40.3
| 44028
|
10181
| 15-Puzzle Problem
| 7741
| 19.6
| 43867
|
451
| Poker Solitaire Evaluator
| 1461
| 37.9
| 43851
|
10787
| Modular Equations
| 467
| 67.0
| 43804
|
505
| Moscow time
| 1383
| 19.2
| 43708
|
10547
| Hidden Truth in Recurrenc
| 615
| 47.2
| 43532
|
411
| Centipede Collisions
| 625
| 41.8
| 43523
|
10040
| Ouroboros Snake
| 2149
| 39.2
| 43403
|
385
| DNA Translation
| 1254
| 32.5
| 43394
|
10043
| Chainsaw Massacre
| 3636
| 28.5
| 43127
|
10086
| Test the Rods
| 782
| 35.9
| 43009
|
10390
| Bean Counting
| 633
| 37.3
| 42993
|
10517
| Wind of Change!
| 796
| 39.1
| 42896
|
10158
| War
| 2460
| 17.4
| 42813
|
10827
| Maximum sum on a torus
| 1288
| 31.3
| 42612
|
10898
| Combo Deal
| 716
| 43.9
| 42564
|
194
| Triangle
| 1758
| 13.2
| 42497
|
10698
| Football Sort
| 1015
| 27.3
| 42373
|
10187
| From Dusk Till Dawn
| 3518
| 30.4
| 42242
|
10505
| Montesco vs Capuleto
| 1139
| 27.1
| 42002
|
10510
| Cactus
| 2523
| 23.7
| 41962
|
10688
| The Poor Giant
| 702
| 48.6
| 41919
|
430
| Swamp County Supervisors
| 978
| 33.2
| 41885
|
11056
| Formula 1
| 667
| 38.4
| 41853
|
10459
| The Tree Root
| 1592
| 19.5
| 41798
|
10349
| Antenna Placement
| 773
| 34.4
| 41795
|
10771
| Barbarian tribes
| 928
| 46.6
| 41760
|
10716
| Evil Straw Warts Live
| 671
| 47.5
| 41745
|
10557
| XYZZY
| 1374
| 26.0
| 41612
|
11069
| A Graph Problem
| 202
| 84.2
| 41508
|
10902
| Pick-up Sticks
| 1034
| 35.2
| 41458
|
645
| File Mapping
| 829
| 43.8
| 41426
|
11045
| My T-shirt suits me
| 490
| 48.4
| 41412
|
563
| Crimewave
| 1516
| 19.4
| 41362
|
10874
| Segments
| 555
| 51.5
| 41349
|
10175
| Sphere
| 571
| 38.4
| 41201
|
309
| FORCAL
| 534
| 45.5
| 40961
|
230
| Borrowers
| 878
| 30.8
| 40930
|
663
| Sorting Slides
| 1751
| 20.7
| 40341
|
10722
| Super Lucky Numbers
| 1184
| 25.8
| 40213
|
298
| Race Tracks
| 1067
| 27.3
| 40201
|
10792
| The Laurel-Hardy Story
| 567
| 53.1
| 40143
|
335
| Processing MX Records
| 1006
| 24.0
| 40046
|
747
| Grid Soccer
| 657
| 36.5
| 40045
|
10228
| Star not a Tree?
| 1064
| 32.4
| 40004
|
10570
| Meeting with Aliens
| 691
| 37.0
| 39935
|
257
| Palinwords
| 1687
| 19.7
| 39920
|
10483
| The Sum Equals the Product
| 689
| 40.3
| 39891
|
10917
| Walk Through the Forest
| 892
| 32.4
| 39869
|
10759
| Dice Throwing
| 463
| 56.4
| 39865
|
652
| Eight
| 3703
| 18.4
| 39864
|
10114
| Loansome Car Buyer
| 503
| 39.0
| 39809
|
11058
| Encoding
| 384
| 51.0
| 39749
|
407
| Gears on a Board
| 979
| 28.3
| 39730
|
782
| Contour Painting
| 2356
| 21.4
| 39546
|
11062
| Andy's Second Dictionary
| 448
| 47.1
| 39544
|
659
| Reflections
| 490
| 45.3
| 39535
|
10386
| Circles in Triangle
| 615
| 46.3
| 39434
|
500
| Table
| 2116
| 13.9
| 39421
|
10449
| Traffic
| 2336
| 14.7
| 39390
|
10389
| Subway
| 2149
| 26.3
| 39230
|
10144
| Expression
| 546
| 42.1
| 39220
|
10085
| The most distant state
| 699
| 42.9
| 39205
|
10741
| Magic Cube
| 538
| 78.4
| 39092
|
10933
| Volleyball
| 748
| 39.2
| 39079
|
10316
| Airline Hub
| 1547
| 19.8
| 39067
|
10428
| The Roots
| 1379
| 31.3
| 38743
|
10745
| Dominant Strings
| 2234
| 39.4
| 38738
|
10957
| So Doku Checker
| 1499
| 49.4
| 38723
|
759
| The Return of the Roman Empire
| 1885
| 23.1
| 38530
|
10218
| Let's Dance !!!
| 454
| 59.7
| 38521
|
10317
| Equating Equations
| 1286
| 26.6
| 38434
|
10320
| Cow Trouble! Help Please!!
| 794
| 34.8
| 38394
|
10243
| Fire! Fire!! Fire!!!
| 1093
| 27.1
| 38217
|
10339
| Watching Watches
| 1099
| 25.4
| 38129
|
707
| Robbery
| 1268
| 39.4
| 38106
|
726
| Decode
| 3138
| 23.2
| 38049
|
10329
| Combinatorial Expression
| 1010
| 25.2
| 37764
|
10537
| The Toll! Revisited
| 2098
| 13.5
| 37672
|
824
| Coast Tracker
| 608
| 47.5
| 37478
|
10958
| How Many Solutions?
| 1136
| 32.7
| 37413
|
10471
| Can't be too GREEDY
| 331
| 67.4
| 37295
|
10660
| Citizen attention offices
| 365
| 66.6
| 37262
|
10318
| Security Panel
| 908
| 31.9
| 37223
|
10690
| Expression Again
| 1433
| 23.6
| 37210
|
10562
| Undraw the Trees
| 897
| 28.1
| 37203
|
10421
| Critical Wave
| 991
| 30.1
| 37153
|
760
| DNA Sequencing
| 2054
| 18.2
| 37055
|
11012
| Cosmic Cabbages
| 669
| 47.4
| 36861
|
328
| The Finite State Text Processing Machine
| 701
| 26.0
| 36856
|
10425
| Mobile Destroyer
| 1225
| 21.1
| 36847
|
653
| Gizilch
| 923
| 28.6
| 36796
|
10710
| Chinese Shuffle
| 698
| 43.3
| 36772
|
10944
| Nuts for nuts..
| 1241
| 29.1
| 36492
|
10897
| Travelling Distance
| 277
| 73.6
| 36482
|
10423
| Peter Takes a Tramway
| 617
| 38.2
| 36477
|
10900
| So you want to be a 2n-aire?
| 293
| 70.6
| 36400
|
10598
| Find the Latitude
| 341
| 64.2
| 36284
|
10819
| Trouble of 13-Dots
| 1853
| 16.8
| 36266
|
10649
| Danger Point
| 631
| 29.3
| 36212
|
10477
| The Hybrid Knight
| 1120
| 31.8
| 36179
|
366
| Cutting Up
| 489
| 50.3
| 36096
|
10277
| Boastin' Red Socks
| 1137
| 24.6
| 36087
|
736
| Lost in Space
| 1253
| 30.5
| 36075
|
11055
| Homogeneous squares
| 639
| 52.1
| 36069
|
10626
| Buying Coke
| 1396
| 25.2
| 36061
|
10475
| Help the Leaders
| 978
| 27.1
| 36041
|
10980
| Lowest Price in Town
| 705
| 32.6
| 35986
|
10512
| A Day in Math-land
| 2478
| 10.3
| 35978
|
10593
| Kites
| 1177
| 48.8
| 35946
|
11026
| A Grouping Problem
| 859
| 45.3
| 35912
|
10444
| Multi-peg Towers of Hanoi
| 498
| 48.8
| 35892
|
10901
| Ferry Loading III
| 764
| 33.9
| 35876
|
10068
| The Treasure Hunt
| 1194
| 26.9
| 35852
|
559
| Squares (II)
| 748
| 30.2
| 35814
|
787
| Maximum Sub-sequence Product
| 1602
| 19.4
| 35762
|
10236
| The Fibonacci Primes
| 1891
| 23.6
| 35737
|
10854
| Number of Paths
| 528
| 43.8
| 35626
|
10433
| Automorphic Numbers
| 2434
| 14.7
| 35600
|
10426
| Knights' Nightmare
| 899
| 29.3
| 35575
|
10331
| The Flyover Construction
| 1126
| 26.6
| 35530
|
10169
| Urn-ball Probabilities !
| 859
| 24.1
| 35475
|
10488
| Swimming Gopher
| 460
| 45.9
| 35421
|
593
| MBone
| 510
| 38.2
| 35366
|
10378
| Complex Numbers
| 1852
| 18.5
| 35354
|
307
| Sticks
| 8134
| 10.2
| 35322
|
852
| Deciding victory in Go
| 536
| 43.8
| 35272
|
10278
| Fire Station
| 3479
| 14.1
| 35217
|
10734
| Triangle Partitioning
| 287
| 71.1
| 35073
|
10963
| The Swallowing Ground
| 380
| 55.3
| 34979
|
10777
| God! Save me
| 409
| 55.3
| 34783
|
10269
| Adventure of Super Mario
| 685
| 40.7
| 34779
|
10238
| Throw the Dice
| 1153
| 25.7
| 34704
|
10560
| Minimum Weight
| 712
| 35.0
| 34449
|
11003
| Boxes
| 963
| 27.4
| 34398
|
10118
| Free Candies
| 793
| 33.0
| 34375
|
10843
| Anne's game
| 479
| 46.6
| 34344
|
10348
| Submarines
| 533
| 35.1
| 34320
|
10445
| Make Polygon
| 1381
| 16.9
| 34195
|
10731
| Test
| 382
| 59.9
| 34076
|
10604
| Chemical Reaction
| 1427
| 22.7
| 34027
|
599
| The Forrest for the Trees
| 592
| 41.0
| 34026
|
11068
| An Easy Task
| 244
| 70.1
| 34016
|
10214
| Trees in a Wood.
| 688
| 40.6
| 33800
|
10992
| The Ghost of Programmers
| 697
| 35.0
| 33601
|
10802
| Lex Smallest Drive
| 1099
| 26.2
| 33591
|
169
| Xenosemantics
| 1641
| 19.6
| 33502
|
10545
| Maximal Quadrilateral
| 696
| 35.9
| 33472
|
10516
| Another Counting Problem
| 489
| 42.3
| 33386
|
10761
| Broken Keyboard
| 462
| 46.5
| 33384
|
10461
| Difference
| 648
| 34.9
| 33302
|
10023
| Square root
| 8116
| 4.5
| 33136
|
10769
| Pillars
| 608
| 40.0
| 33073
|
11048
| Automatic Correction of Misspellings
| 576
| 37.8
| 32997
|
10540
| Flowers of a Beautiful Mind
| 524
| 54.2
| 32976
|
845
| Gas Station Numbers
| 1247
| 23.3
| 32903
|
10915
| War on Weather
| 419
| 58.2
| 32872
|
10889
| The Lost Gift
| 728
| 35.3
| 32732
|
10927
| Bright Lights
| 995
| 23.3
| 32633
|
10157
| Expressions
| 1673
| 21.4
| 32607
|
10587
| Mayor's posters
| 973
| 26.9
| 32580
|
10938
| Flea circus
| 733
| 37.1
| 32536
|
10728
| Help!
| 582
| 32.6
| 32534
|
10173
| Smallest Bounding Rectangle
| 1772
| 20.2
| 32531
|
10136
| Chocolate Chip Cookies
| 1087
| 26.0
| 32444
|
453
| Intersecting Circles
| 3718
| 8.3
| 32308
|
10549
| Russian Dolls
| 1071
| 24.6
| 32225
|
10342
| Always Late
| 2040
| 14.6
| 32121
|
358
| Don't Have A Cow, Dude
| 2417
| 15.4
| 32030
|
684
| Integral Determinant
| 1870
| 16.3
| 31947
|
10462
| Is There A Second Way Left?
| 918
| 24.0
| 31888
|
10464
| Big Big Real Numbers
| 644
| 32.8
| 31865
|
10072
| Bob Laptop Woolmer and Eddie Desktop Barlow
| 700
| 32.6
| 31850
|
11029
| Leading and Trailing
| 601
| 41.9
| 31773
|
11022
| String Factoring
| 385
| 64.4
| 31755
|
10609
| Fractal
| 900
| 32.0
| 31580
|
10027
| Language Cardinality
| 1684
| 15.4
| 31334
|
721
| Invitation Cards
| 2466
| 19.8
| 31329
|
163
| City Directions
| 1017
| 14.6
| 31326
|
10288
| Coupons
| 638
| 43.3
| 31293
|
10385
| Duathlon
| 1259
| 23.0
| 31284
|
10977
| Enchanted Forest
| 818
| 32.8
| 31194
|
718
| Skyscraper Floors
| 2170
| 22.0
| 31190
|
10247
| Complete Tree Labeling
| 840
| 27.1
| 31156
|
11049
| Basic wall maze
| 269
| 62.1
| 31113
|
10934
| Dropping water balloons
| 604
| 31.6
| 31044
|
10234
| Frequent Substrings
| 1709
| 21.5
| 31015
|
419
| Matching Meetings
| 585
| 30.4
| 31002
|
10577
| Bounding box
| 427
| 55.3
| 30991
|
10529
| Dumb Bones
| 398
| 65.3
| 30858
|
10932
| Calculator
| 861
| 26.9
| 30775
|
10535
| Shooter
| 1604
| 20.6
| 30763
|
149
| Forests
| 857
| 41.2
| 30694
|
10291
| Cut the Legs
| 415
| 46.7
| 30671
|
609
| Metal Cutting
| 1218
| 28.8
| 30634
|
10454
| Trexpression
| 908
| 23.9
| 30567
|
10544
| Numbering the Paths
| 778
| 27.0
| 30524
|
811
| The Fortified Forest
| 974
| 33.3
| 30487
|
10352
| Count the eWords
| 1501
| 18.9
| 30391
|
180
| Eeny Meeny
| 1857
| 18.6
| 30363
|
10990
| Another New Function
| 401
| 52.9
| 30328
|
10275
| Guess the Number!
| 705
| 34.0
| 30323
|
10156
| Sala-ma-Sond, A Nice Little Pond
| 857
| 26.3
| 30116
|
10658
| ReArrange
| 287
| 59.6
| 30110
|
10230
| Savage Garden
| 643
| 29.9
| 30102
|
610
| Street Directions
| 1086
| 24.9
| 30026
|
10713
| Map
| 897
| 24.4
| 30004
|
11067
| Little Red Riding Hood
| 344
| 57.8
| 29911
|
10556
| Biometrics
| 537
| 37.4
| 29842
|
10875
| Big Math
| 594
| 31.5
| 29840
|
10746
| Crime Wave - The Sequel
| 1007
| 29.0
| 29730
|
10592
| Freedom Fighter
| 572
| 39.5
| 29716
|
858
| Berry Picking
| 550
| 47.6
| 29665
|
10480
| Sabotage
| 795
| 38.2
| 29637
|
685
| Least Path Cost
| 687
| 33.3
| 29533
|
10868
| Bungee Jumping
| 412
| 45.6
| 29447
|
10123
| No Tipping
| 659
| 31.4
| 29406
|
10913
| Walking on a Grid
| 588
| 32.8
| 29262
|
10091
| The Valentine's Day
| 794
| 24.9
| 29211
|
10624
| Super Number
| 592
| 34.0
| 29132
|
11064
| Number Theory
| 294
| 65.3
| 29054
|
10160
| Servicing Stations
| 2996
| 15.7
| 29014
|
173
| Network Wars
| 2089
| 16.4
| 28902
|
10848
| Make Palindrome Checker
| 523
| 33.3
| 28871
|
10149
| Yahtzee
| 1347
| 26.9
| 28858
|
10367
| Equations
| 692
| 26.3
| 28856
|
10237
| Bishops
| 681
| 35.4
| 28843
|
10148
| Advertisement
| 1128
| 29.0
| 28587
|
10542
| Hyper-drive
| 650
| 29.1
| 28475
|
10225
| Discrete Logging
| 439
| 52.6
| 28418
|
10870
| Recurrences
| 450
| 46.9
| 28396
|
361
| Cops and Robbers
| 2865
| 9.1
| 28347
|
10950
| Bad Code
| 716
| 31.1
| 28344
|
10858
| Unique Factorization
| 375
| 54.4
| 28325
|
10138
| CDVII
| 1343
| 15.9
| 28321
|
176
| City Navigation
| 495
| 32.3
| 28230
|
10343
| Base64 Decoding
| 977
| 24.2
| 28133
|
10709
| Intersection is Not that Easy
| 1002
| 20.5
| 28123
|
330
| Inventory Maintenance
| 1469
| 18.5
| 28121
|
10687
| Monitoring the Amazon
| 348
| 58.6
| 27941
|
10694
| Combinatorial Summation
| 611
| 38.0
| 27939
|
10999
| Crabbles
| 777
| 34.0
| 27853
|
11034
| Ferry Loading IV
| 312
| 57.4
| 27792
|
10648
| Chocolate Box
| 354
| 59.3
| 27730
|
10619
| Advanced Causal Measurements
| 669
| 33.2
| 27721
|
11060
| Beverages
| 300
| 56.3
| 27712
|
650
| Bowl
| 522
| 44.4
| 27710
|
552
| Filling the Gaps
| 763
| 30.7
| 27623
|
10479
| The Hendrie Sequence
| 650
| 32.3
| 27586
|
10442
| Basic
| 959
| 18.5
| 27555
|
11038
| How Many O's?
| 399
| 50.9
| 27420
|
10553
| Treasure Map
| 580
| 34.1
| 27313
|
606
| Keeps Going and Going and ...
| 635
| 24.4
| 27065
|
10563
| Least Squares
| 712
| 32.2
| 27006
|
10262
| Suffidromes
| 693
| 30.2
| 26970
|
10973
| Triangle Couting
| 1262
| 27.1
| 26958
|
10860
| Many a Little makes a Mickle
| 648
| 35.6
| 26950
|
10872
| Triangles
| 461
| 39.5
| 26948
|
10514
| River Crossing
| 637
| 32.2
| 26849
|
10373
| The Brick Stops Here
| 778
| 35.3
| 26798
|
10877
| Diceoids
| 362
| 56.4
| 26774
|
828
| Deciphering Messages
| 599
| 33.4
| 26771
|
10045
| Echo
| 1590
| 25.5
| 26707
|
10552
| Genealogical Research
| 468
| 38.0
| 26699
|
258
| Mirror Maze
| 1336
| 23.8
| 26693
|
10525
| New to Bangladesh?
| 1790
| 13.1
| 26623
|
810
| A Dicey Problem
| 989
| 38.9
| 26604
|
10180
| Rope Crisis in Ropeland!
| 2534
| 10.5
| 26555
|
719
| Glass Beads
| 2921
| 15.1
| 26538
|
189
| Pascal Program Lengths
| 790
| 20.6
| 26500
|
754
| Treasure Hunt
| 577
| 30.2
| 26443
|
10832
| Yoyodyne
| 348
| 48.9
| 26434
|
10417
| Gift Exchanging
| 537
| 34.6
| 26426
|
10441
| Catenyms
| 1444
| 17.9
| 26324
|
10606
| Opening Doors
| 1235
| 24.0
| 26282
|
742
| Domino Game
| 798
| 32.0
| 26257
|
10659
| Fitting Text into Slides
| 527
| 34.2
| 26202
|
10239
| The Book-shelver's Problem
| 902
| 26.8
| 26200
|
420
| Supercomputer Selection, The Sequel
| 212
| 53.3
| 26191
|
10831
| Gerg's Cake
| 680
| 33.2
| 26054
|
660
| Going in circles on Alpha Centauri
| 456
| 33.6
| 26047
|
10882
| Koerner's Pub
| 335
| 50.1
| 26047
|
247
| Calling Circles
| 656
| 38.0
| 26013
|
10890
| Maze
| 1040
| 31.2
| 25923
|
10998
| Flipping Colors
| 277
| 67.5
| 25702
|
669
| Defragment
| 1010
| 26.9
| 25700
|
11002
| Towards Zero
| 1170
| 23.4
| 25498
|
10914
| Abundance and Perfect Numbers
| 780
| 37.8
| 25486
|
595
| A Major Problem
| 533
| 38.5
| 25406
|
11028
| Sum of Product
| 227
| 56.4
| 25369
|
10937
| Blackbeard the Pirate
| 626
| 36.9
| 25341
|
708
| Dreisam Equations
| 1373
| 14.9
| 25334
|
277
| Cabinets
| 880
| 15.2
| 25291
|
10707
| 2D-Nim
| 546
| 29.5
| 25284
|
680
| Movement of Reading Head
| 478
| 36.4
| 25219
|
10413
| Crazy Savages
| 985
| 23.1
| 25211
|
10581
| Partitioning for fun and profit
| 589
| 30.7
| 25153
|
10355
| Superman
| 707
| 24.6
| 25134
|
10744
| The Optimal Super-Highway
| 1235
| 26.7
| 25087
|
838
| Worm World
| 1393
| 18.0
| 25023
|
757
| Gone Fishing
| 2149
| 12.4
| 25010
|
10740
| Not the Best
| 932
| 26.6
| 25003
|
10145
| Lock Manager
| 470
| 37.4
| 24997
|
10654
| The Uxuhul Voting System
| 265
| 51.7
| 24987
|
766
| Sum of powers
| 587
| 33.6
| 24859
|
319
| Pendulum
| 473
| 28.1
| 24679
|
10366
| Faucet Flow
| 846
| 25.7
| 24623
|
10388
| Snap
| 480
| 34.0
| 24621
|
716
| Commedia dell' arte
| 606
| 44.1
| 24406
|
856
| The Vigen?e Cipher
| 522
| 49.4
| 24377
|
10124
| Subway
| 367
| 38.1
| 24226
|
10590
| Boxes of Chocolates Again
| 759
| 26.1
| 24206
|
10256
| The Great Divide
| 1260
| 25.6
| 24203
|
11004
| Changing Roadmap
| 310
| 49.7
| 24180
|
10251
| Min-Max Cake
| 455
| 33.0
| 24162
|
10575
| Polylops
| 717
| 53.3
| 24141
|
10412
| Big Big Trees
| 1023
| 17.2
| 24140
|
10568
| n Group k
| 633
| 25.1
| 24099
|
577
| WIMP
| 575
| 22.3
| 24041
|
10569
| Number Theory
| 663
| 51.9
| 23994
|
527
| The partition of a cake
| 1544
| 12.6
| 23959
|
10468
| Rigid Circle Packing
| 521
| 36.9
| 23832
|
10076
| The Bumpy Robot
| 755
| 25.2
| 23789
|
765
| References
| 768
| 33.1
| 23788
|
10582
| ASCII Labyrinth
| 437
| 39.1
| 23689
|
835
| Square of Primes
| 896
| 25.3
| 23665
|
10430
| Dear GOD, Pardon Me
| 540
| 33.5
| 23553
|
515
| King
| 1845
| 9.4
| 23549
|
10850
| The Gossipy Gossipers Gossip Gossips
| 422
| 34.6
| 23523
|
830
| Shark
| 490
| 35.9
| 23504
|
872
| Ordering
| 341
| 49.9
| 23493
|
10571
| Products
| 528
| 28.4
| 23461
|
10822
| Planet of the Rock, Paper and Scissors
| 530
| 39.1
| 23425
|
10652
| Board Wrapping
| 359
| 44.3
| 23404
|
11024
| Circular Lock
| 317
| 44.5
| 23342
|
10883
| Supermean
| 721
| 27.6
| 23267
|
629
| Test
| 459
| 53.4
| 23218
|
10372
| Leaps Tall Buildings (in a single bound)
| 298
| 55.0
| 23158
|
10398
| The Golden Pentagon
| 661
| 27.4
| 23095
|
250
| Pattern Matching Prelims
| 728
| 26.8
| 23073
|
10011
| Where Can You Hide?
| 2712
| 7.0
| 23065
|
10909
| Lucky Number
| 965
| 28.1
| 23001
|
10244
| First Love !!!
| 550
| 38.9
| 22886
|
10208
| Liar or Not Liar that is the...
| 662
| 33.8
| 22865
|
10163
| Storage Keepers
| 468
| 30.6
| 22809
|
10987
| Antifloyd
| 419
| 39.6
| 22788
|
10750
| Beautiful Points
| 796
| 35.1
| 22781
|
10084
| Hotter Colder
| 575
| 25.9
| 22760
|
259
| Software Allocation
| 436
| 40.4
| 22693
|
10732
| The Strange Research
| 588
| 34.7
| 22674
|
11053
| Flavius Josephus Reloaded
| 544
| 46.3
| 22666
|
10723
| Cyborg Genes
| 354
| 37.6
| 22550
|
10511
| Councilling
| 1555
| 13.2
| 22537
|
10888
| Warehouse
| 571
| 30.8
| 22365
|
560
| Magic
| 1418
| 16.6
| 22364
|
648
| Stamps (II)
| 473
| 36.8
| 22361
|
10186
| Euro Cup 2000
| 274
| 55.8
| 22154
|
10644
| Floor Tiles
| 711
| 23.5
| 22105
|
10825
| Anagram and Multiplication
| 259
| 55.2
| 22059
|
10053
| Envelopes
| 798
| 18.8
| 22030
|
10559
| Blocks
| 1474
| 23.6
| 21970
|
664
| Single-Player Games
| 481
| 25.6
| 21891
|
10486
| Mountain Village
| 278
| 59.4
| 21724
|
10663
| Non-Powerful Subsets
| 1137
| 29.6
| 21618
|
10982
| Troublemakers
| 435
| 36.1
| 21571
|
844
| Pousse
| 350
| 41.7
| 21554
|
866
| Intersecting Line Segments
| 396
| 66.9
| 21532
|
11070
| The Good Old Times
| 194
| 64.4
| 21496
|
10457
| Magic Car
| 1344
| 18.0
| 21445
|
758
| The Same Game
| 1632
| 21.5
| 21433
|
10715
| Cat
| 834
| 30.5
| 21363
|
10172
| The Lonesome Cargo Distributor
| 232
| 58.2
| 21326
|
10280
| Old Wine Into New Bottles
| 904
| 27.7
| 21321
|
199
| Partial differential equations
| 746
| 28.0
| 21159
|
10643
| Facing Problem With Trees
| 279
| 56.6
| 21136
|
404
| Radar Scopes
| 868
| 15.3
| 21053
|
10294
| Arif in Dhaka (First Love Part 2)
| 282
| 50.4
| 21041
|
10887
| Concatenation of Languages
| 2608
| 9.0
| 21011
|
11027
| Palindromic Permutation
| 496
| 39.3
| 20990
|
860
| Entropy Text Analyzer
| 681
| 22.2
| 20985
|
240
| Variable Radix Huffman Encoding
| 612
| 27.0
| 20863
|
709
| Formatting Text
| 966
| 16.3
| 20838
|
10661
| The Perspectographer
| 614
| 21.7
| 20837
|
751
| Triangle War
| 1624
| 12.4
| 20793
|
893
| Y3K Problem
| 515
| 35.1
| 20780
|
10692
| Huge Mods
| 733
| 21.3
| 20613
|
635
| Clock solitaire
| 379
| 51.7
| 20599
|
10665
| Diatribe against Pigeonholes
| 260
| 53.1
| 20598
|
10799
| OOPS! They did it Again...
| 310
| 48.7
| 20586
|
10724
| Road Construction
| 791
| 22.1
| 20571
|
10807
| Prim, Prim.
| 1378
| 17.1
| 20524
|
10548
| Find the Right Changes
| 798
| 23.2
| 20486
|
553
| Simply proportion
| 298
| 46.6
| 20437
|
11047
| The Scrooge Co Problem
| 618
| 22.5
| 20379
|
10708
| Cheetah
| 662
| 22.2
| 20368
|
10185
| Phylogenetic Trees Inherited
| 310
| 38.4
| 20340
|
734
| The Programmer's Hex
| 452
| 34.3
| 20275
|
10697
| Firemen barracks
| 1014
| 16.3
| 20230
|
10788
| Parenthesizing Palindromes
| 368
| 31.5
| 20197
|
10817
| Headmaster's Headache
| 584
| 27.7
| 20149
|
317
| Hexagon
| 433
| 23.8
| 20129
|
11008
| Antimatter Ray Clearcutting
| 1228
| 22.7
| 20116
|
10726
| Coco Monkey
| 431
| 30.6
| 20023
|
10725
| Triangular Square
| 2524
| 7.3
| 20016
|
10448
| Unique World
| 623
| 31.5
| 19953
|
600
| A Duckpin Tournament
| 1119
| 14.3
| 19843
|
10764
| Signed-digit numbers
| 274
| 50.0
| 19841
|
10207
| The Unreal Tournament
| 1648
| 12.4
| 19756
|
376
| More Triangles ... THE AMBIGUOUS CASE
| 883
| 21.3
| 19678
|
10292
| The Gossiping System
| 263
| 44.1
| 19626
|
695
| Placing the Ops
| 944
| 32.5
| 19615
|
11032
| Function Overloading
| 914
| 25.7
| 19594
|
10601
| Cubes
| 262
| 54.6
| 19590
|
11021
| Tribles
| 373
| 52.8
| 19565
|
10089
| Repackaging
| 1302
| 20.4
| 19510
|
373
| Romulan Spelling
| 1209
| 35.1
| 19451
|
11051
| Dihedral groups
| 323
| 40.9
| 19447
|
10319
| Manhattan
| 783
| 27.3
| 19209
|
10184
| Equidistance
| 289
| 43.9
| 19093
|
10345
| Cricket/Football Goes Down
| 526
| 37.8
| 19079
|
795
| Sandorf's Cipher
| 460
| 33.9
| 18785
|
10599
| Robots(II)
| 665
| 24.1
| 18758
|
10028
| Demerit Points
| 863
| 25.6
| 18689
|
10524
| Matriz Reloaded
| 838
| 19.0
| 18683
|
10621
| Jack and Jill
| 685
| 23.5
| 18670
|
10923
| Seven Seas
| 541
| 32.9
| 18611
|
421
| Polygonal Puzzle
| 375
| 24.5
| 18598
|
10615
| Rooks
| 696
| 20.3
| 18504
|
10253
| Series-Parallel Networks
| 335
| 37.9
| 18499
|
316
| Stars
| 985
| 9.9
| 18478
|
512
| Spreadsheet Tracking
| 816
| 34.1
| 18259
|
10953
| Stochastic Digit Generator
| 271
| 45.0
| 18207
|
10255
| The knight's Tour
| 779
| 38.1
| 18177
|
682
| Whoever-pick-the-last-one-lose
| 481
| 34.7
| 18151
|
783
| Trains
| 909
| 29.4
| 18134
|
10765
| Doves and bombs
| 376
| 44.4
| 18100
|
10748
| Knights Roaming
| 979
| 22.9
| 17896
|
503
| Parallelepiped walk
| 602
| 18.3
| 17894
|
323
| Jury Compromise
| 1970
| 10.9
| 17833
|
10353
| Circles in Hexagon :-)
| 427
| 36.5
| 17829
|
10117
| Nice Milk
| 575
| 25.7
| 17787
|
10265
| Toroidal Chess Queens' Problem
| 497
| 24.3
| 17664
|
840
| Deadlock Detection
| 422
| 28.9
| 17517
|
10686
| SQF Problems
| 800
| 19.0
| 17506
|
667
| Fence
| 469
| 29.2
| 17459
|
10166
| Travel
| 478
| 25.5
| 17443
|
10273
| Eat or Not to Eat?
| 879
| 21.4
| 17274
|
10623
| Thinking Backward
| 626
| 30.7
| 17229
|
197
| Cube
| 896
| 23.3
| 17186
|
10866
| Magic Bitstrings
| 414
| 45.9
| 17163
|
10321
| Polygon Intersection
| 784
| 16.1
| 17135
|
10384
| The Wall Pushers
| 825
| 25.7
| 17124
|
10463
| Aztec Knights
| 899
| 22.0
| 17036
|
10747
| Maximum Subsequence
| 826
| 16.7
| 17010
|
10133
| Audubon's Stormy Arctic Trip
| 254
| 37.4
| 17001
|
10122
| Mysterious Mountain
| 795
| 23.5
| 16998
|
10811
| Up the Ante
| 305
| 48.9
| 16968
|
752
| Unscrambling Images
| 1243
| 26.6
| 16917
|
10881
| Piotr's Ants
| 402
| 26.1
| 16897
|
10595
| Knight on the Bee Board
| 366
| 38.0
| 16863
|
775
| Hamiltonian Cycle
| 397
| 41.8
| 16734
|
10844
| Bloques
| 726
| 27.3
| 16625
|
10476
| Spam or Not Spam
| 532
| 27.1
| 16522
|
10755
| Garbage Heap
| 528
| 25.6
| 16520
|
10795
| A Different Task
| 283
| 35.0
| 16514
|
566
| Adam's Genes
| 3100
| 5.6
| 16450
|
10818
| Dora Trip
| 611
| 22.4
| 16313
|
10362
| Trains
| 814
| 13.0
| 16252
|
851
| Maze
| 1643
| 26.7
| 16242
|
814
| The Letter Carrier's Rounds
| 1137
| 25.6
| 16176
|
502
| DEL command
| 1534
| 8.7
| 16169
|
676
| Horse Step Maze
| 968
| 20.4
| 16087
|
738
| A Logical Problem
| 388
| 32.0
| 15956
|
790
| Head Judge Headache
| 1390
| 8.3
| 15947
|
715
| Substitution Cipher
| 1122
| 9.9
| 15945
|
10381
| The Rock
| 562
| 36.5
| 15746
|
10456
| Intelligent Cats
| 564
| 16.8
| 15627
|
767
| Game
| 790
| 19.5
| 15607
|
10805
| Cockroach Escape Networks
| 588
| 34.9
| 15593
|
10768
| Planarity
| 269
| 34.2
| 15575
|
10561
| Treblecross
| 426
| 36.6
| 15550
|
10647
| Optimal House Placement
| 380
| 33.2
| 15498
|
10772
| Rose windows
| 245
| 57.1
| 15486
|
10839
| The Curse of Barbosa
| 235
| 43.8
| 15438
|
10835
| Playing with Coins
| 422
| 37.0
| 15392
|
239
| Tempus et mobilius. Time and motion
| 484
| 31.2
| 15360
|
611
| Parallel Deadlock
| 396
| 22.0
| 15354
|
10782
| Send More Money
| 519
| 37.2
| 15278
|
10558
| A Brief Gerrymander
| 407
| 34.6
| 15233
|
10332
| The Absent Minded Professor
| 458
| 27.3
| 15231
|
229
| Scanner
| 682
| 25.8
| 15223
|
10956
| Prime Suspect
| 553
| 46.5
| 15218
|
10794
| The Deadly Olympic Returns!!!
| 371
| 28.6
| 15194
|
10087
| The Tajmahal of ++Y2k
| 377
| 27.1
| 15105
|
10979
| How Many Triangles?
| 334
| 24.0
| 15048
|
10376
| Snakes
| 437
| 34.8
| 14923
|
10248
| The Integer All-time Champ
| 996
| 35.0
| 14895
|
10838
| The Pawn Chess
| 319
| 45.8
| 14867
|
11011
| Numerical Methods! A Satire
| 415
| 39.3
| 14814
|
10936
| Land surveyor's job
| 324
| 25.6
| 14749
|
643
| Bulk Mailing
| 468
| 37.4
| 14683
|
10735
| Euler Circuit
| 889
| 17.5
| 14653
|
10211
| Divisibility Testing! Wow!
| 455
| 34.1
| 14634
|
310
| L--system
| 1485
| 10.2
| 14608
|
10399
| Optimus Prime
| 305
| 41.6
| 14606
|
210
| Concurrency Simulator
| 731
| 15.6
| 14599
|
10826
| Hot or Cold?
| 352
| 29.3
| 14585
|
689
| Napoleon's Grumble
| 1033
| 9.4
| 14583
|
10743
| Blocks on Blocks
| 233
| 38.6
| 14531
|
10704
| Traffic!
| 297
| 39.4
| 14503
|
10030
| Computer Dialogue
| 397
| 25.2
| 14489
|
491
| Tile Topology
| 436
| 20.4
| 14418
|
10824
| Regular Polygon
| 642
| 26.0
| 14418
|
10993
| Ignoring Digits
| 319
| 40.1
| 14391
|
10607
| Siege
| 796
| 12.8
| 14367
|
288
| Arithmetic Operations With Large Integers
| 882
| 20.0
| 14357
|
10431
| Normal Distribution
| 378
| 28.0
| 14211
|
10736
| Series of PI
| 244
| 53.7
| 14179
|
692
| BUT We Need a Diagram
| 420
| 22.1
| 14073
|
870
| Intersecting Rectangles
| 224
| 51.8
| 13970
|
10594
| Data Flow
| 1435
| 13.7
| 13865
|
283
| Compress
| 902
| 11.4
| 13827
|
806
| Spatial Structures
| 341
| 43.7
| 13816
|
238
| Jill's Bike
| 566
| 16.6
| 13768
|
10597
| Right Words
| 362
| 47.5
| 13692
|
10231
| Matrix World
| 581
| 31.2
| 13681
|
206
| Meals on Wheels Routing System
| 618
| 15.5
| 13669
|
10627
| Infinite Race
| 982
| 15.3
| 13663
|
261
| The Window Property
| 654
| 35.0
| 13654
|
10618
| Tango Tango Insurrection
| 478
| 25.1
| 13644
|
10968
| KuPellaKeS
| 266
| 33.8
| 13570
|
10546
| The Eagle's Nest
| 397
| 31.2
| 13555
|
817
| According to Bartjens
| 628
| 16.9
| 13512
|
10645
| Menu
| 378
| 34.9
| 13282
|
10216
| The Optimal Coffee Shop!!
| 648
| 13.1
| 13281
|
11036
| Eventually Periodic Sequence
| 288
| 48.6
| 13208
|
10962
| Don Giovanni's Last Dinner
| 221
| 33.5
| 13138
|
10751
| Chessboard
| 246
| 43.5
| 13116
|
226
| MIDI Preprocessing
| 425
| 37.2
| 13069
|
10786
| Qualify for the Champions League
| 113
| 64.6
| 13067
|
10434
| Working With Specific Gravity
| 196
| 51.0
| 13055
|
10418
| Hyper Toy Soldiers
| 584
| 30.8
| 12963
|
10614
| Dreadful Vectors
| 472
| 20.1
| 12902
|
899
| Colour Circles
| 238
| 47.9
| 12862
|
10951
| Polynomial GCD
| 238
| 29.4
| 12712
|
857
| Quantiser
| 359
| 38.2
| 12632
|
10873
| Splat, Inc.
| 158
| 50.6
| 12608
|
11035
| Card Hands
| 301
| 32.9
| 12500
|
10455
| Gray Code
| 231
| 32.9
| 12430
|
10989
| Bomb, Divide and Conquer
| 795
| 21.9
| 12410
|
10995
| Educational Journey
| 114
| 58.8
| 12368
|
10985
| Rings'n'Ropes
| 265
| 44.2
| 12338
|
267
| Of(f) Course!
| 988
| 31.7
| 12333
|
10906
| Strange Integration
| 261
| 37.5
| 12289
|
10798
| Be wary of Roses
| 500
| 26.4
| 12253
|
722
| Lakes
| 322
| 32.3
| 12252
|
11043
| Fast and Easy Data Compressor
| 287
| 32.1
| 12169
|
832
| Financial Risk
| 548
| 18.8
| 12154
|
11013
| Get Straight
| 284
| 32.4
| 12012
|
10526
| Intellectual Property
| 489
| 22.3
| 11942
|
11014
| Make a Crystal
| 247
| 45.3
| 11854
|
431
| Trial of the Millennium
| 779
| 23.0
| 11848
|
10206
| Stars
| 252
| 37.3
| 11832
|
10981
| String Morphing
| 451
| 22.6
| 11819
|
799
| Safari Holiday
| 669
| 30.9
| 11813
|
11031
| Looking for a Subset
| 465
| 26.9
| 11812
|
678
| Schedule of Taiwan Baseball League
| 182
| 42.3
| 11773
|
10632
| Pyramid
| 244
| 28.3
| 11768
|
10997
| Medals
| 205
| 38.5
| 11688
|
10501
| Simplified Shisen-Sho
| 433
| 28.9
| 11636
|
10640
| Planes around the World
| 203
| 41.9
| 11613
|
10886
| Standard Deviation
| 508
| 22.2
| 11571
|
10240
| The n-Dimensional Cities
| 377
| 26.5
| 11501
|
10159
| Star
| 673
| 12.2
| 11470
|
11020
| Efficient Solutions
| 716
| 16.5
| 11436
|
10876
| Factory Robot
| 205
| 37.6
| 11371
|
506
| System Dependencies
| 940
| 12.0
| 11330
|
10395
| Titans in Danger
| 300
| 31.7
| 11160
|
10767
| Barcelona's trams
| 181
| 45.9
| 11159
|
10983
| Buy one, get the rest free
| 370
| 30.8
| 11081
|
10204
| Adventures in Moving - Part V
| 328
| 19.2
| 11017
|
10521
| Continuously Growing Fractions
| 735
| 13.7
| 10926
|
10437
| Playing With Fraction
| 607
| 16.6
| 10921
|
10613
| Mushroom Misery
| 417
| 23.5
| 10861
|
10270
| Bigger Square Please...
| 333
| 33.3
| 10853
|
10836
| The Maximum Term
| 280
| 34.3
| 10838
|
10754
| Fantastic Sequence
| 455
| 28.8
| 10810
|
10380
| Shogi Tournament
| 671
| 18.5
| 10763
|
10711
| Stitching
| 147
| 53.7
| 10761
|
10984
| Double NP-hard
| 463
| 27.9
| 10698
|
10834
| The Story of Two Coins
| 269
| 26.0
| 10681
|
10052
| Inviting Politicians
| 1614
| 9.5
| 10593
|
10470
| Shifted Coefficient Number System
| 248
| 31.0
| 10446
|
874
| 2D Representations
| 269
| 42.8
| 10423
|
848
| Fmt
| 1273
| 8.0
| 10383
|
10631
| Normals
| 752
| 25.0
| 10335
|
10682
| Forr?Party
| 504
| 25.0
| 10178
|
882
| The Mailbox Manufacturers Problem
| 157
| 73.9
| 10113
|
10760
| Translation or rotation
| 309
| 24.9
| 10033
|
234
| Switching Channels
| 143
| 39.2
| 10033
|
10674
| Tangents
| 353
| 24.6
| 10015
|
10472
| Fastest Vs Cheapest
| 329
| 26.4
| 9990
|
10358
| Matrix
| 669
| 15.8
| 9979
|
10224
| Return of the Jedi
| 522
| 15.3
| 9972
|
10859
| Placing Lampposts
| 305
| 22.0
| 9897
|
504
| Random number
| 759
| 11.1
| 9858
|
816
| Abbott's Revenge
| 353
| 30.6
| 9789
|
11019
| Matrix Matcher
| 753
| 15.4
| 9788
|
10837
| A Research Problem
| 461
| 25.6
| 9706
|
859
| Chinese Checkers
| 402
| 21.1
| 9685
|
10403
| Escape from Tut's Tomb
| 474
| 20.3
| 9651
|
11072
| Points
| 280
| 30.0
| 9651
|
10467
| Parse Tree
| 164
| 47.0
| 9638
|
10729
| Treequivalence
| 471
| 15.9
| 9632
|
10447
| Sum-up the Primes (II)
| 1213
| 9.6
| 9631
|
365
| Welfare Reform
| 595
| 15.0
| 9612
|
10379
| Pit Stop Strategy
| 195
| 39.0
| 9557
|
11052
| Economic phone calls
| 220
| 28.6
| 9262
|
10939
| Ants, Aphids and a Ladybug
| 414
| 19.6
| 9259
|
831
| Document Validator
| 422
| 37.2
| 9143
|
826
| Symbolic Numerical System
| 740
| 9.9
| 9120
|
10411
| Another Game of Tetris
| 423
| 19.9
| 9098
|
731
| Numerical Summation of a Series
| 742
| 28.6
| 9048
|
10588
| Queuing at the doctors
| 183
| 33.9
| 9034
|
10073
| Constrained Exchange Sort
| 739
| 30.9
| 9015
|
10266
| Surveying
| 423
| 11.1
| 9006
|
631
| Microzoft Calendar
| 487
| 16.2
| 8968
|
10109
| Solving Systems of Linear Equations
| 1349
| 26.7
| 8963
|
10941
| Words adjustment
| 448
| 23.0
| 8962
|
10841
| Lift Hopping in the Real World
| 183
| 46.4
| 8944
|
10458
| Cricket Ranking
| 591
| 21.2
| 8930
|
827
| Buddy Memory Allocator
| 299
| 18.7
| 8912
|
10513
| Bangladesh Sequences
| 977
| 9.6
| 8821
|
10965
| Khepel's Problem
| 266
| 23.3
| 8820
|
10847
| Basic Tautologies
| 207
| 25.1
| 8745
|
883
| Overlapping Rectangles
| 151
| 56.3
| 8741
|
10638
| The Trip II
| 372
| 17.5
| 8671
|
578
| Polygon Puzzler
| 243
| 28.4
| 8671
|
853
| DVD Subtitles
| 293
| 23.9
| 8540
|
10641
| Barisal Stadium
| 253
| 25.3
| 8540
|
11061
| Playing War
| 130
| 53.1
| 8507
|
581
| Word Search Wonder
| 792
| 8.3
| 8485
|
10869
| Brownie Points II
| 166
| 45.8
| 8481
|
10960
| The Party, Part II
| 174
| 38.5
| 8475
|
10531
| Maze Statistics
| 392
| 21.7
| 8421
|
10809
| Great Circle
| 280
| 23.2
| 8412
|
10580
| Ransom Note
| 379
| 23.2
| 8370
|
10322
| The Four in One Stadium
| 422
| 16.4
| 8364
|
10274
| Fans and Gems
| 975
| 24.2
| 8325
|
10904
| Structural Equivalence
| 329
| 28.6
| 8263
|
841
| Snake
| 1092
| 12.4
| 8240
|
10438
| Meta Editor
| 561
| 14.4
| 8237
|
10064
| Travelling in another Dimension
| 392
| 11.7
| 8187
|
744
| Triangular Museum
| 582
| 19.9
| 8156
|
10853
| Pablito nailed a nail
| 540
| 13.5
| 8075
|
802
| Lead or Gold
| 597
| 14.6
| 8066
|
10712
| Count the Numbers
| 536
| 12.7
| 8029
|
10864
| The Predator
| 224
| 20.5
| 7909
|
10899
| Billiard again
| 251
| 29.5
| 7908
|
10779
| Collectors Problem
| 170
| 38.2
| 7889
|
11010
| Tic-Tac-Tough
| 344
| 24.4
| 7874
|
683
| Character Decoding
| 238
| 21.0
| 7800
|
10612
| Paper Folding
| 157
| 39.5
| 7713
|
10272
| DDR King
| 362
| 18.8
| 7708
|
10565
| Matrix
| 135
| 38.5
| 7696
|
286
| Dead Or Not -- That Is The Question
| 373
| 27.6
| 7683
|
10429
| Mohr's Circle
| 126
| 56.3
| 7657
|
818
| Cutting Chains
| 183
| 38.3
| 7647
|
10775
| Mystical Matrix
| 156
| 53.8
| 7647
|
10481
| The Gift Wrappers of Hollywood
| 300
| 59.7
| 7573
|
10996
| Go
| 78
| 59.0
| 7449
|
10907
| Art Gallery
| 328
| 17.4
| 7342
|
733
| Follow the Folding Dot
| 451
| 20.6
| 7329
|
11018
| Mars Buggy
| 184
| 29.9
| 7323
|
10414
| Denki Blocks
| 252
| 15.9
| 7300
|
10885
| Martin the Gardener
| 131
| 39.7
| 7191
|
10695
| Find the Point
| 444
| 24.3
| 7144
|
10095
| Saving the Planet
| 633
| 16.9
| 7035
|
728
| Scatter Point Plot
| 528
| 12.7
| 6970
|
11016
| Square Counting
| 174
| 31.0
| 6948
|
564
| Gaston
| 340
| 20.0
| 6935
|
237
| Monitoring Wheelchair Patients
| 191
| 25.7
| 6907
|
10676
| Grid Points
| 245
| 22.0
| 6773
|
10833
| Lunar Forest
| 149
| 40.9
| 6760
|
246
| 10-20-30
| 389
| 15.2
| 6697
|
10828
| Back to Kernighan-Ritchie
| 509
| 15.3
| 6665
|
10584
| Text Formalization
| 340
| 12.6
| 6642
|
10335
| Ray Inside a Polygon
| 961
| 15.3
| 6575
|
367
| Halting Factor Replacement Systems
| 432
| 20.8
| 6549
|
746
| Polygon Visibility
| 279
| 10.4
| 6528
|
284
| Logic
| 159
| 24.5
| 6488
|
11025
| Mr. And Mrs. Hamilton
| 182
| 36.3
| 6408
|
10031
| Saskatchewan
| 797
| 4.9
| 6403
|
10727
| Practice
| 201
| 48.8
| 6354
|
370
| Bingo
| 355
| 16.6
| 6345
|
868
| Numerical Maze
| 430
| 13.7
| 6290
|
10671
| Grid Speed
| 261
| 23.0
| 6279
|
11017
| A Greener World
| 217
| 20.7
| 6192
|
842
| Crossword Puzzles
| 290
| 31.0
| 6169
|
809
| Bullet Hole
| 705
| 7.0
| 6136
|
10797
| Peaceful Sharing
| 294
| 31.0
| 6132
|
10884
| Persephone
| 59
| 76.3
| 6113
|
10478
| The Falling Pillars
| 347
| 16.7
| 6108
|
804
| Petri Net Simulation
| 288
| 22.9
| 6065
|
764
| Pentominos
| 692
| 13.6
| 5975
|
269
| Counting Patterns
| 252
| 31.3
| 5957
|
266
| Stamping Out Stamps
| 390
| 18.2
| 5889
|
11033
| Help my Brother
| 203
| 40.4
| 5774
|
285
| Crosswords
| 329
| 19.8
| 5768
|
879
| Circuit Nets
| 281
| 19.9
| 5744
|
265
| Dining Diplomats
| 664
| 9.5
| 5710
|
10675
| Revenge of Faucet Flow
| 256
| 16.0
| 5659
|
10752
| Distant Jumping
| 229
| 28.8
| 5625
|
10119
| Farewell, my friend
| 1008
| 5.8
| 5614
|
10498
| Happiness
| 522
| 21.5
| 5528
|
289
| A Very Nasty Text Formatter
| 143
| 28.7
| 5451
|
11030
| Predator II
| 96
| 45.8
| 5451
|
569
| Horse Shoe Scoring
| 619
| 7.8
| 5415
|
10241
| Semi-triangular and also Square
| 115
| 40.0
| 5400
|
396
| Top Dog
| 402
| 31.1
| 5382
|
282
| Rename
| 214
| 20.1
| 5380
|
243
| Theseus and the Minotaur (II)
| 677
| 7.7
| 5297
|
10867
| Cutting a Polygon
| 257
| 20.6
| 5272
|
10749
| Automobile Travelling
| 309
| 17.8
| 5216
|
10975
| Dueue's Quiz
| 726
| 9.5
| 5161
|
10121
| Legendary Pokemon
| 174
| 37.9
| 5132
|
10153
| New Horizons
| 323
| 13.0
| 5129
|
10402
| Triangle Covering
| 473
| 11.2
| 5128
|
10538
| Powerful Magic Squares
| 291
| 33.7
| 5100
|
898
| Hole Cutter
| 222
| 33.3
| 5013
|
10961
| Chasing After Don Giovanni
| 117
| 25.6
| 4962
|
10766
| Organising the Organisation
| 262
| 31.3
| 4926
|
873
| Loan (II)
| 149
| 46.3
| 4878
|
10758
| Journey
| 109
| 35.8
| 4876
|
10796
| Right Hand Rule
| 408
| 18.6
| 4804
|
10770
| Sokoban
| 387
| 19.1
| 4713
|
10737
| The Difference Engine
| 286
| 11.5
| 4677
|
10969
| Sweet Dreem
| 175
| 26.9
| 4677
|
11006
| Wheel Good
| 164
| 20.7
| 4632
|
10808
| Rational Resistors
| 413
| 10.7
| 4569
|
10628
| Quadrills
| 96
| 39.6
| 4526
|
10967
| The Great Escape
| 241
| 17.4
| 4458
|
769
| Magic of David Copperfield
| 98
| 43.9
| 4452
|
473
| Raucous Rockers
| 320
| 16.9
| 4445
|
304
| Department
| 433
| 10.4
| 4407
|
10103
| Karpovich blocks
| 635
| 7.6
| 4381
|
262
| Transferable Voting
| 998
| 5.6
| 4359
|
10893
| Creating Sudoku Puzzles
| 764
| 25.4
| 4357
|
819
| Gifts Large and Small
| 345
| 17.4
| 4339
|
10605
| Mines For Diamonds
| 341
| 13.5
| 4190
|
546
| Image Recognizer
| 208
| 17.8
| 4182
|
666
| Rating
| 267
| 10.5
| 4181
|
807
| Towers of Powers
| 143
| 19.6
| 4181
|
251
| Nondeterministic Trellis Automata
| 625
| 22.7
| 4149
|
329
| PostScript Emulation
| 662
| 6.3
| 4025
|
822
| Queue and A
| 126
| 34.1
| 3858
|
322
| Ships
| 303
| 8.3
| 3843
|
10108
| The Mosquito Killer Mosquitos
| 519
| 10.2
| 3753
|
10155
| Green Eggs and Ham
| 208
| 45.2
| 3685
|
10691
| Subway
| 313
| 12.8
| 3658
|
205
| Getting There
| 404
| 10.6
| 3652
|
295
| Fatman
| 118
| 18.6
| 3639
|
10135
| Herding Frosh
| 1484
| 4.7
| 3588
|
878
| Rotating Tetris Pieces
| 412
| 26.0
| 3581
|
214
| Code Generation
| 370
| 23.5
| 3546
|
10572
| Black & White
| 255
| 25.9
| 3521
|
10949
| Kids in a Grid
| 1082
| 12.0
| 3438
|
11073
| Euler's Totient Function
| 151
| 40.4
| 3399
|
10485
| Painting with CSE
| 146
| 15.8
| 3395
|
11046
| Numbers and operations
| 290
| 46.6
| 3378
|
881
| Points, Polygons and Containers
| 206
| 29.1
| 3311
|
11023
| Multisets and Sequences
| 202
| 10.4
| 3285
|
549
| Evaluating an Equations Board
| 326
| 15.6
| 3244
|
244
| Train Time
| 243
| 14.4
| 3226
|
11050
| Construct the wall maze
| 91
| 26.4
| 3202
|
11071
| Permutation Representation
| 39
| 38.5
| 3186
|
207
| PGA Tour Prize Money
| 497
| 11.9
| 3139
|
10952
| Pattern Transformations
| 159
| 22.6
| 3098
|
655
| Scrabble
| 696
| 11.9
| 3038
|
687
| Lattice Practices
| 182
| 13.7
| 2985
|
10846
| Reading time from a clock
| 98
| 24.5
| 2952
|
10972
| RevolC FaeLoN
| 158
| 12.7
| 2923
|
204
| Robot Crash
| 532
| 6.6
| 2899
|
10046
| Fold-up Patterns
| 93
| 19.4
| 2874
|
10435
| Compare Directories
| 373
| 12.6
| 2847
|
10863
| Shovelling Snow
| 144
| 31.9
| 2843
|
10829
| L-Gap Substrings
| 395
| 18.5
| 2749
|
203
| Running Lights Visibility Calculator
| 955
| 4.5
| 2691
|
10314
| Three Pigs
| 3909
| 1.7
| 2675
|
11066
| Aragorn
| 19
| 73.7
| 2614
|
691
| Triangle Partition
| 1032
| 2.0
| 2596
|
475
| Wild Thing
| 204
| 19.6
| 2587
|
225
| Golygons
| 247
| 17.0
| 2571
|
293
| Bits
| 354
| 9.6
| 2524
|
829
| Almost Balanced Trees
| 398
| 22.4
| 2496
|
862
| Origami
| 75
| 29.3
| 2492
|
823
| Stopper Stumper
| 186
| 25.8
| 2459
|
605
| The Rotating Disk
| 330
| 8.2
| 2435
|
10151
| Spaghetti
| 246
| 11.0
| 2402
|
813
| Robot
| 340
| 10.6
| 2384
|
359
| Sex Assignments And Breeding Experiments
| 392
| 12.5
| 2355
|
10639
| Square Puzzle
| 88
| 19.3
| 2353
|
10629
| Truckin'
| 359
| 18.4
| 2327
|
11065
| A Gentlemen's Agreement
| 69
| 37.7
| 2326
|
777
| Codebreakers
| 246
| 19.1
| 2243
|
891
| Syntrax
| 99
| 29.3
| 2197
|
749
| Machine Repair Simulation
| 217
| 6.5
| 2145
|
890
| Maze (II)
| 65
| 41.5
| 2145
|
10756
| HardNumbers
| 185
| 18.9
| 2124
|
786
| Working with Relations
| 161
| 11.2
| 2124
|
235
| Typesetting
| 92
| 15.2
| 2035
|
10988
| From G to H and back
| 157
| 15.3
| 2027
|
11007
| Mini Cube
| 294
| 24.5
| 1987
|
10636
| Stretching Geometry
| 339
| 7.4
| 1961
|
730
| Morse Code Generation
| 675
| 5.3
| 1940
|
877
| Offset Polygons
| 150
| 30.7
| 1922
|
10762
| Treasure Castle
| 80
| 17.5
| 1915
|
849
| Radar Tracking
| 353
| 5.1
| 1896
|
248
| Cutting Corners
| 193
| 6.2
| 1836
|
11009
| Geometry Once Again
| 54
| 38.9
| 1828
|
10096
| The Richest Man of the Universe
| 1296
| 1.7
| 1814
|
10753
| Exponential Function
| 341
| 19.4
| 1809
|
233
| Package Pricing
| 280
| 6.1
| 1733
|
11037
| Point of View in Flatland
| 37
| 43.2
| 1725
|
10861
| Security by Ambiguity
| 46
| 37.0
| 1717
|
10857
| Easter Eggs
| 175
| 8.0
| 1652
|
798
| Tile Puzzle
| 53
| 37.7
| 1610
|
720
| Hares and Foxes
| 454
| 5.1
| 1577
|
797
| Two Way Traffic
| 52
| 38.5
| 1549
|
11041
| Quarter-Finals with Brazil!? No!!!
| 147
| 11.6
| 1519
|
249
| Bang the Drum Slowly
| 139
| 16.5
| 1464
|
690
| Pipeline Scheduling
| 500
| 18.6
| 1464
|
854
| Worse Code
| 98
| 17.3
| 1462
|
887
| Revolutionary Calendar
| 68
| 25.0
| 1427
|
279
| Spin
| 74
| 33.8
| 1411
|
886
| Named Extension Dialing
| 84
| 16.7
| 1391
|
223
| Classifying Lots in a Subdivision
| 222
| 11.7
| 1381
|
10143
| Loan
| 208
| 24.5
| 1350
|
342
| HTML Syntax Checking
| 328
| 15.5
| 1325
|
292
| Presentation Error
| 117
| 8.5
| 1304
|
646
| The Gourmet Club
| 100
| 17.0
| 1268
|
794
| Straightest Paths
| 136
| 14.0
| 1264
|
723
| Comment Removal
| 213
| 9.9
| 1233
|
10492
| Optimal Mastermind Strategy
| 251
| 5.2
| 1145
|
10955
| Playfair Cipher
| 94
| 27.7
| 1143
|
463
| Polynomial Factorization
| 221
| 5.9
| 1034
|
10383
| Queen vs Rook
| 65
| 15.4
| 986
|
885
| Telephone Directory Alphabetization
| 231
| 8.2
| 974
|
801
| Flight Planning
| 21
| 33.3
| 947
|
10778
| Mathemagicland
| 136
| 8.8
| 923
|
888
| Donkey
| 144
| 10.4
| 861
|
241
| Sail Race
| 80
| 16.2
| 855
|
10630
| Millennium Ceremony
| 41
| 22.0
| 829
|
10974
| The Ridiculous Game
| 58
| 8.6
| 813
|
864
| Scheme Pretty-Printing
| 61
| 31.1
| 790
|
693
| Digital Racing Circuit
| 125
| 11.2
| 741
|
10059
| The Hazard of CSE Department!
| 188
| 1.6
| 684
|
889
| Islands
| 62
| 30.6
| 655
|
212
| Use of Hospital Facilities
| 213
| 6.6
| 640
|
10657
| Prince Frog II
| 122
| 20.5
| 607
|
217
| Radio Direction Finder
| 49
| 18.4
| 596
|
281
| Rubik's Cube
| 80
| 20.0
| 543
|
10971
| Building Construction
| 49
| 8.2
| 526
|
525
| Milk Bottle Data
| 41
| 17.1
| 449
|
10840
| Multi-stage Compressor
| 55
| 3.6
| 416
|
896
| Board Game
| 17
| 5.9
| 341
|
894
| Juggling Trams
| 39
| 17.9
| 259
|
354
| Crazy Calculator
| 91
| 5.5
| 251
|
10781
| Global Positioning System
| 9
| 11.1
| 114
|
10845
| The crusades
| 66
| 1.5
| 105
|
10966
| 3KP-BASH Project
| 116
| 1.7
| 93
|
863
| Process Scheduling
| 192
| 0.5
| 64
|
236
| VTAS - Vessel Traffic Advisory Service
| 91
| 1.1
| 56
|
10757
| Interpreting SQL
| 565
| 0.0
| 0 |