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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
25365 Hexagram   3 33 46.15
28
17
33126 Ada and Lemon 1   19 46.15
40469 Watching over the Mines of Moria   18 46.15
17
17
4004 Exploding CPU   141 46.17
12366 Cantor   8 199 46.20
23
23
22384 Saving Planet Bomber (Easy)   3 38 46.22
1
27
7586 Number of Palindromes   8 1329 46.25
13
14
9012 Maximum Self-Matching   31 676 46.30
24
29
9219 Nikhil Problem   2 223 46.31
17
17
9952 111…1 Squared   8 1780 46.31
5
10
8456 PRIMITIVEROOTS   8 363 46.32
8
20
7402 Repair Depots   14 46.34
1025 Fashion Shows   30 27674 46.38
3
3
10814 Unique Paths   125 46.39
22 Triangle From Centroid   9 2664 46.40
9
22
7566 Expected Cycle Sums   44 46.40
7034 Crashing Robots   3 161 46.42
17
1
15965 PLAY WITH MATH   60 6859 46.42
4
5
2903 Transportation   11 46.43
11904 A Classic Myth - Flatland Superhero   10 46.43
20984 Music Academy   2 64 46.45
1
9
34619 Pizza Prize   7 129 46.46
14
12
18286 Gopu and Fishes   2 104 46.47
13
26
4717 Grid Points in a Triangle   97 46.48
32945 Ada and Subsequence   36 1023 46.48
7
8
10141 STRAZA   45 46.51
34
17
10571 Soccer Challenge   30 46.51
693 Lethal Warfare   2 360 46.55
6
12
1728 Common Permutation   26 4161 46.55
6
6
3477 Baby   28 947 46.56
21
24
12244 Natalia Has Another Problem   6 110 46.60
17
14
32791 Billi and Kaddu   2 37 46.61
26
34
8097 Islands   70 46.63
12 The Game of Master-Mind   1 756 46.63
17
17
9378 Landfill   61 46.63
15891 Prime Generator The Easiest Question Ever   13 1169 46.64
3
8
28798 Yet Another Xor Sequence   8 108 46.64
10
10
4557 Musical Chairs   23 2474 46.67
9
19
27317 Number of score sequences   8 79 46.67
14
19
23881 God of Nim   5 192 46.69
1
20
9856 The Glazier   66 46.70
123 Paying in Byteland   2 476 46.70
6
17
31897 If Chain   1 25 46.75
17
17
36670 Bipartite Permutation   14 355 46.75
6
15
7875 Miles and kilometers   6 602 46.79
9
9
30922 Ada and Plum   13 143 46.85
26
26
26647 Factorial and divisorss   12 99 46.86
20
22
8628 Selling Land   70 46.89
10798 Wachovia Bank   58 3842 46.91
7
9
2899 Volunteers   55 46.91
17
34

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