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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4586 Texas Trip   69 38.57
4587 Electric Fences   -1 141 32.85
26
26
4588 SETI   129 66.41
4593 Arithmetic sequence   1 65 9.24
34
17
4644 Proving Equivalences   1 198 28.34
17
17
4656 Cross Mountain Climb   1 63 30.69
17
34
4657 Gas Wars   143 35.64
34
17
4658 Help Hemant Verma   1 50 14.14
9
17
4666 Wireless   1 125 36.68
17
17
4667 Gremlins   3 53 27.98
28
34
4669 Cross Mountain Climb Extreme   1 36 17.69
34
50
4672 Yanu in Movie theatre   13 1712 44.75
2
28
4681 Twice   5 285 21.15
24
27
4717 Grid Points in a Triangle   99 46.63
4761 Strategy game   2 43 55.73
9
17
4784 Diophantine equation   3 153 40.37
26
17
4785 Starship   13 29.77
4828 ZSequence   53 18.80
4839 Ant   3 192 38.69
23
28
4871 Bridge   2 159 24.24
1
34
4881 Words on graphs   107 11.88
34
4882 Counting in a DAG   6 179 11.98
17
26
4908 Run-Length Mathematics   6 720 41.14
13
1
4941 Integer Factorization (20 digits)   8 602 55.35
34
30
4942 Integer Factorization (15 digits)   45 3609 32.63
11
11
4948 Integer Factorization (29 digits)   8 118 15.05
40
34
4951 Bridges! More bridges!   1 46 16.42
1
34
4987 Goal for Raúl   6 545 30.04
12
12
4988 Madrids One Way Streets   5 199 28.87
15
15
4993 Traveling Salesman   8 1043 37.22
14
2
5010 Lost in Madrid   1 190 31.22
1
1
5011 Library for Madrid   57 42.34
17
17
5014 Crazy Receptionist   11 12.59
5015 Decode the Castanets   33 39.47
5016 Guernica   22 57.45
5018 Street Gambler   27 43.75
5084 Discrete Math Problem   6 284 31.32
15
24
5091 Feline Olympics - Mouseball   7 599 39.34
7
15
5093 Pretty Functions   1 40 23.41
5102 Mystic Craft   57 46.20
5103 Top 10   42 15.81
5104 Spam Detection   16 16.52
5107 Playing with Marbles   7 793 23.66
12
8
5115 Two "Ways"   65 15.47
5117 Wine trading in Gergovia   76 5408 33.80
9
12
5120 Minimal Possible String   4 58 5.07
34
30
5128 Bomb the Bridge   1 45 30.51
17
17
5142 A Pair of Graphs   1 68 53.96
17
17
5143 Binary Integer   53 50.00
5144 Cryptography Reloaded (Act I)   34 26.43

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