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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4586 Texas Trip   68 38.46
4587 Electric Fences   -1 134 32.35
26
26
4588 SETI   127 67.19
4593 Arithmetic sequence   1 64 9.46
34
17
4644 Proving Equivalences   1 195 28.39
17
17
4656 Cross Mountain Climb   1 62 31.75
17
34
4657 Gas Wars   139 35.32
34
17
4658 Help Hemant Verma   1 49 14.77
9
17
4666 Wireless   1 125 36.68
17
17
4667 Gremlins   3 52 28.15
28
34
4669 Cross Mountain Climb Extreme   1 34 23.66
34
50
4672 Yanu in Movie theatre   13 1698 44.91
2
28
4681 Twice   5 281 21.01
24
27
4717 Grid Points in a Triangle   97 46.48
4761 Strategy game   2 39 54.84
9
17
4784 Diophantine equation   3 150 40.04
26
17
4785 Starship   10 28.80
4828 ZSequence   51 19.33
4839 Ant   3 192 39.19
23
28
4871 Bridge   1 153 24.02
1
34
4881 Words on graphs   103 11.39
34
4882 Counting in a DAG   6 175 11.94
17
26
4908 Run-Length Mathematics   6 718 41.07
13
1
4941 Integer Factorization (20 digits)   8 572 55.56
34
30
4942 Integer Factorization (15 digits)   45 3504 32.39
11
11
4948 Integer Factorization (29 digits)   8 106 15.44
40
34
4951 Bridges! More bridges!   1 46 16.42
1
34
4987 Goal for Raúl   6 543 29.99
12
12
4988 Madrids One Way Streets   5 196 28.68
15
15
4993 Traveling Salesman   8 1039 37.17
14
2
5010 Lost in Madrid   1 189 31.15
1
1
5011 Library for Madrid   55 42.17
17
17
5014 Crazy Receptionist   11 13.18
5015 Decode the Castanets   32 40.19
5016 Guernica   19 51.06
5018 Street Gambler   26 43.55
5084 Discrete Math Problem   6 282 31.16
15
24
5091 Feline Olympics - Mouseball   7 594 39.17
7
15
5093 Pretty Functions   1 39 24.21
5102 Mystic Craft   55 45.51
5103 Top 10   41 16.26
5104 Spam Detection   14 20.69
5107 Playing with Marbles   7 787 23.59
12
8
5115 Two "Ways"   63 14.95
5117 Wine trading in Gergovia   76 5369 33.81
9
12
5120 Minimal Possible String   3 55 5.08
34
28
5128 Bomb the Bridge   1 38 28.57
17
17
5142 A Pair of Graphs   1 68 54.35
17
17
5143 Binary Integer   49 49.59
5144 Cryptography Reloaded (Act I)   33 26.16

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