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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
14664 Shared cathetus (easy)   3 98 46.20
17
23
12244 Natalia Has Another Problem   6 108 46.20
17
14
22384 Saving Planet Bomber (Easy)   3 38 46.22
1
27
31235 Fractals   7 54 46.25
14
8
27313 Number of Binary Trees   5 72 46.26
6
17
39219 Brenden Politeness Filter   1 44 46.28
1
1
8097 Islands   69 46.30
9219 Nikhil Problem   2 223 46.31
17
17
23881 God of Nim   5 186 46.34
1
20
7402 Repair Depots   14 46.34
1025 Fashion Shows   30 27575 46.38
3
3
33820 Ada and Game of Divisors   3 110 46.38
21
21
32945 Ada and Subsequence   36 1015 46.38
7
8
7566 Expected Cycle Sums   44 46.40
26647 Factorial and divisorss   12 98 46.41
20
22
12366 Cantor   7 196 46.42
24
21
2903 Transportation   11 46.43
11904 A Classic Myth - Flatland Superhero   10 46.43
3477 Baby   27 941 46.44
20
23
15965 PLAY WITH MATH   60 6835 46.46
4
5
26527 DIVSEQ   16 227 46.47
13
17
18286 Gopu and Fishes   2 104 46.47
13
26
1728 Common Permutation   26 4145 46.51
6
6
10141 STRAZA   45 46.51
34
17
10571 Soccer Challenge   30 46.51
15891 Prime Generator The Easiest Question Ever   13 1163 46.53
3
8
30922 Ada and Plum   12 139 46.53
24
24
32791 Billi and Kaddu   2 37 46.61
26
34
22 Triangle From Centroid   9 2641 46.62
9
22
9952 111…1 Squared   8 1752 46.62
5
10
27317 Number of score sequences   8 78 46.63
14
19
9856 The Glazier   65 46.63
28798 Yet Another Xor Sequence   8 108 46.64
10
10
4557 Musical Chairs   23 2472 46.66
9
19
9446 Shortest Circuit Evaluation   28 46.67
36670 Bipartite Permutation   14 352 46.67
6
15
8629 Stock Prices   1 97 46.69
17
17
10517 K12-Generating Big Numbers II   1 74 46.70
26
17
8456 PRIMITIVEROOTS   8 362 46.72
8
20
123 Paying in Byteland   2 475 46.73
6
17
31897 If Chain   1 25 46.75
17
17
7875 Miles and kilometers   6 602 46.79
9
9
10798 Wachovia Bank   58 3814 46.85
7
9
4717 Grid Points in a Triangle   98 46.86
20100 Honda and Kagawa   3 329 46.87
1
21
31234 Stressful Activities   1 65 46.88
17
1
8628 Selling Land   70 46.89
19174 Khairy and Gold Alloys   7 142 46.91
11
11
7424 Girls and Boys   91 12227 46.91
4
10
2899 Volunteers   55 46.91
17
34

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