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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
19687 Symmetric matrix 2   0 0.00
32065 Save Lord Tachanka   1 0 0.00
35535 Bill of Fare   0 0.00
36644 Minimum string moves   1 0 0.00
34
1
36896 Supraiden   0 0.00
177 AB-words   1 16 1.31
50
50
32028 Ada and Parties   3 1.38
50
50
9000 Bob and his new kite factory   2 1.44
35287 Magical Matrices   1 1 1.69
17
34
9190 Perfect Maze   31 1.73
1457 Help Blue Mary Please! (Act I)   13 1.75
34
17
1484 Search in XML   1 12 2.45
17
17
10683 DRIVE   1 2.50
3647 Moebius   1 2.67
231 The Zebra Crossing   12 2.69
15257 Partition function (HARD)   1 6 2.93
50
42
2000 Boxes (Hard)   2 17 3.07
26
34
944 Free Tour   16 3.34
2661 Illumination   6 3.40
34973 Yet Another Subset Sum Problem   2 3 3.41
26
34
2019 The Rolling Ball   2 3.57
31971 NEO   1 10 3.62
34
50
4189 Landing   4 3.64
36441 Funny Prime Factorization   4 48 3.73
17
1
850 Soccer Choreography   4 4.02
9753 Tuple Division   17 4.10
12076 Longest Common Subsequence   5 119 4.20
50
50
13882 THE WITTY BOY   1 4 4.32
34
17
22177 RajaRani   3 3 4.35
17
17
8478 Ancient Pocket Calculator   7 4.44
5157 Game Simulator   1 17 4.57
50
17
10799 Happiness at the lowest cost   11 4.65
25450 When Does The World End   1 4 4.67
34
50
10210 After Party Transfers   1 36 4.79
34
28
2009 Cryptography   1 142 4.80
1
34
8886 Guess number!   17 5.03
34
34
5120 Minimal Possible String   3 55 5.08
34
28
16240 Easy Password   41 5.09
17
26
9527 Department   7 5.15
34
17
40643 The Revenge Of Anti Hash   1 4 5.15
34
34
23806 Yossy, The King of IRYUDAT   3 43 5.48
28
39
36704 Projectile Motion   2 8 5.51
34
26
22675 A conjecture of Paul ErdÅ‘s (hard)   2 4 5.56
34
34
2151 Digital Calculator   22 5.81
10572 Cheating on the contest   1 24 6.04
17
34
14830 The Codefather   8 6.07
1
1
6299 Move Marbles   1 21 6.37
17
34
41890 Anagrams and Divisibility   5 6.42
1726 Exchange   18 6.52
13369 Cut on a tree   9 6.53

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