list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4560 The Double HeLiX   147 8980 37.55
11
10
4564 Chop Ahoy! Revisited!   55 2968 50.84
12
14
4565 What is your Logo   3 920 46.03
1
13
4568 Rotating Rings   1 298 29.72
17
17
4569 Let go to the movies   -3 161 18.26
50
34
4574 Riding in cycles   44 23.96
4580 ABCDEF   218 7923 29.36
14
16
4585 Star Wars   1 76 36.63
4586 Texas Trip   70 38.84
4587 Electric Fences   -1 144 33.33
26
26
4588 SETI   130 66.67
4593 Arithmetic sequence   1 67 9.55
34
17
4656 Cross Mountain Climb   1 72 31.44
17
34
4657 Gas Wars   145 35.87
34
17
4658 Help Hemant Verma   1 51 14.20
9
17
4666 Wireless   1 128 37.02
17
17
4667 Gremlins   3 56 29.10
28
34
4669 Cross Mountain Climb Extreme   1 36 16.43
34
50
4672 Yanu in Movie theatre   13 1725 44.85
2
28
4681 Twice   5 287 21.21
24
27
4717 Grid Points in a Triangle   99 46.63
4761 Strategy game   2 44 55.64
9
17
4785 Starship   16 31.25
4828 ZSequence   53 18.02
4839 Ant   3 194 38.89
23
28
4871 Bridge   2 161 24.59
1
34
4881 Words on graphs   108 11.94
34
4882 Counting in a DAG   6 181 11.97
17
26
4908 Run-Length Mathematics   6 721 41.17
13
1
4941 Integer Factorization (20 digits)   8 614 55.35
34
30
4942 Integer Factorization (15 digits)   45 3695 32.76
11
11
4948 Integer Factorization (29 digits)   8 124 14.80
40
34
4951 Bridges! More bridges!   1 47 16.63
1
34
5014 Crazy Receptionist   11 11.11
5015 Decode the Castanets   36 40.68
5016 Guernica   26 61.54
5018 Street Gambler   31 47.83
5093 Pretty Functions   1 43 22.67
5115 Two "Ways"   67 15.62
5117 Wine trading in Gergovia   76 5444 33.77
9
12
5120 Minimal Possible String   4 61 5.32
34
30
5128 Bomb the Bridge   1 46 30.80
17
17
5142 A Pair of Graphs   1 70 54.23
17
17
5143 Binary Integer   53 50.00
5144 Cryptography Reloaded (Act I)   34 26.43
5145 Déjà vu   17 14.94
5146 Experiment on a … Cable   16 36.36
5147 Fire-Control System   37 22.40
34
17
5148 Get-Together at Stockholm   1 56 48.36
1
17
5149 History of Languages   32 17.70

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