list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
19975 Amazing Prime Sequence (hard)   5 89 43.53
39
45
19976 HYPERCUBES   1 117 46.13
1
17
19985 GCD Extreme (hard)   2 334 36.04
26
34
19991 In case of failure   3 127 40.52
34
34
19996 Moon Safari (medium)   4 79 40.05
30
34
19997 Moon Safari (Hard)   3 50 54.03
34
39
20038 Easiest Loop 1   3 377 48.58
6
17
20041 Hippo and Bloody Jungle   -1 40 19.92
28
17
20050 Love Story 2   1 87 37.97
9
9
20063 Large subsequence Problem   20 447 42.11
10
14
20100 Honda and Kagawa   3 380 45.69
1
21
20167 Array with Hudai Calculation   1 50 24.29
34
34
20170 Coloring Segments   5 88 20.53
31
34
20172 Divisiblity by 3   11 584 30.48
14
10
20173 Counting Divisors (square)   6 465 21.58
29
38
20174 Counting Divisors (cube)   7 385 35.46
21
42
20196 The Magical Bag   3 198 38.33
34
34
20327 Triangles   1 29 28.74
50
50
20562 Tracy and Charlie   1 45 58.43
17
34
20563 Minion Circle   19 32.97
20635 Dortmund Dilemma   1 19 44.44
17
34
20637 Ajob Subsequence   77 38.94
1
17
20644 Zero Query   16 729 19.50
30
27
20654 Interesting Subset   5 95 23.45
11
14
20673 Count The Indexes   7 247 29.27
17
30
20689 WA,RTE and Placements   1 26 40.33
34
34
20752 LAZY FRIENDS   3 33 50.00
17
13
20775 Roger and tree   22 330 27.93
17
22
20845 Interesting Numbers   4 219 24.08
13
5
20846 Interesting Selection   5 125 43.32
13
26
20848 Interesting Game   59 44.48
20849 Interesting queries   3 44 36.02
34
34
20863 Largest Submatrix   80 26.92
20872 Counting Pairwise Coprime Triples   1 48 54.07
34
34
20926 Special Numbers (Reverse and Add)   1 21 12.57
26
26
20930 Progression   4 26 8.84
34
34
20931 Square-Free Product (Hard)   2 64 36.20
17
21
20951 Pebbles   1 39 55.56
1
17
20957 Alia and 3 Khans   1 74 31.36
34
17
20970 Alia and Handsome Devil   5 393 30.43
17
12
20971 Alia and Substrings   22 22.45
20972 Alia and Cryptography   3 101 43.86
30
26
20977 Car Game   7 43 37.65
15
17
20979 Good   5 83 41.43
17
27
20980 Chicken Joggers   14 51.35
20984 Music Academy   2 68 47.09
1
9
20985 Archipelago   6 105 62.57
11
4
20986 Hypertubes   7 49 43.46
20
22
20987 Sequence   2 30 24.84
9
17
21049 Under Construction Forever   1 14 40.54
17
34

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