list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
19975 Amazing Prime Sequence (hard)   4 79 41.80
34
42
19976 HYPERCUBES   1 111 45.31
1
17
19985 GCD Extreme (hard)   2 247 34.96
26
34
19991 In case of failure   3 113 40.07
34
34
19996 Moon Safari (medium)   3 73 37.72
28
34
19997 Moon Safari (Hard)   2 43 55.32
26
34
20038 Easiest Loop 1   3 369 48.46
6
17
20041 Hippo and Bloody Jungle   -1 37 18.60
28
17
20050 Love Story 2   1 86 38.17
9
9
20063 Large subsequence Problem   20 441 41.84
10
14
20100 Honda and Kagawa   3 329 46.87
1
21
20167 Array with Hudai Calculation   46 23.92
50
50
20170 Coloring Segments   4 86 20.27
30
34
20172 Divisiblity by 3   11 581 30.58
14
10
20173 Counting Divisors (square)   6 411 21.46
26
36
20174 Counting Divisors (cube)   6 339 34.03
17
41
20196 The Magical Bag   3 196 38.29
34
34
20327 Triangles   1 28 27.33
50
50
20562 Tracy and Charlie   1 42 56.47
17
34
20563 Minion Circle   19 32.97
20635 Dortmund Dilemma   1 19 45.45
17
34
20637 Ajob Subsequence   77 38.94
1
17
20644 Zero Query   17 619 19.64
29
28
20654 Interesting Subset   5 93 23.38
11
14
20673 Count The Indexes   7 239 29.10
17
30
20689 WA,RTE and Placements   1 22 39.20
34
34
20752 LAZY FRIENDS   3 33 52.81
17
13
20775 Roger and tree   22 327 27.79
17
22
20845 Interesting Numbers   4 217 23.96
13
5
20846 Interesting Selection   5 123 43.21
13
26
20848 Interesting Game   58 45.09
20849 Interesting queries   2 44 36.32
34
34
20863 Largest Submatrix   80 26.92
20872 Counting Pairwise Coprime Triples   1 41 52.10
34
34
20926 Special Numbers (Reverse and Add)   1 21 12.83
26
26
20930 Progression   4 26 8.90
34
34
20931 Square-Free Product (Hard)   2 53 37.94
17
21
20951 Pebbles   17 48.00
20957 Alia and 3 Khans   1 74 31.44
34
17
20970 Alia and Handsome Devil   5 391 30.43
17
12
20971 Alia and Substrings   20 21.99
20972 Alia and Cryptography   3 101 43.86
30
26
20977 Car Game   5 36 38.89
14
14
20979 Good   4 69 43.78
21
30
20980 Chicken Joggers   14 55.88
20984 Music Academy   2 62 44.94
1
9
20985 Archipelago   6 103 62.50
11
4
20986 Hypertubes   6 42 42.71
20
23
20987 Sequence   2 27 23.18
9
17
21049 Under Construction Forever   1 15 44.44
17
34

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