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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
19975 Amazing Prime Sequence (hard)   5 95 44.28
39
45
19976 HYPERCUBES   1 122 45.32
1
17
19985 GCD Extreme (hard)   2 356 36.62
26
34
19991 In case of failure   3 136 40.35
34
34
19996 Moon Safari (medium)   4 81 40.67
30
34
19997 Moon Safari (Hard)   3 51 50.25
34
39
20038 Easiest Loop 1   3 378 48.54
6
17
20041 Hippo and Bloody Jungle   -1 43 21.74
28
17
20050 Love Story 2   1 89 38.29
9
9
20063 Large subsequence Problem   20 452 42.13
10
14
20100 Honda and Kagawa   3 383 45.81
1
21
20167 Array with Hudai Calculation   1 51 24.51
34
34
20170 Coloring Segments   5 92 20.64
31
34
20172 Divisiblity by 3   11 586 30.52
14
10
20173 Counting Divisors (square)   6 482 21.68
29
38
20174 Counting Divisors (cube)   7 400 35.68
21
42
20196 The Magical Bag   3 199 38.38
34
34
20327 Triangles   1 29 28.40
50
50
20562 Tracy and Charlie   1 48 56.00
17
34
20563 Minion Circle   24 35.00
20635 Dortmund Dilemma   1 22 48.33
17
34
20637 Ajob Subsequence   78 39.11
1
17
20644 Zero Query   17 759 19.44
31
27
20654 Interesting Subset   5 97 23.84
11
14
20673 Count The Indexes   7 253 29.55
17
30
20689 WA,RTE and Placements   1 28 41.08
34
34
20752 LAZY FRIENDS   3 40 37.09
17
13
20775 Roger and tree   22 342 27.74
17
22
20845 Interesting Numbers   4 221 24.19
13
5
20846 Interesting Selection   5 129 43.94
13
26
20848 Interesting Game   60 44.68
20849 Interesting queries   3 45 33.86
34
34
20863 Largest Submatrix   81 27.10
20872 Counting Pairwise Coprime Triples   1 49 52.11
34
34
20926 Special Numbers (Reverse and Add)   1 21 11.94
26
26
20930 Progression   4 26 8.01
34
34
20931 Square-Free Product (Hard)   2 65 36.36
17
21
20951 Pebbles   1 67 58.16
1
17
20957 Alia and 3 Khans   1 77 31.54
34
17
20970 Alia and Handsome Devil   5 397 30.54
17
12
20971 Alia and Substrings   25 21.51
20972 Alia and Cryptography   3 101 45.45
30
26
20977 Car Game   7 51 33.80
15
17
20979 Good   6 88 40.43
17
26
20980 Chicken Joggers   1 19 41.27
17
17
20984 Music Academy   2 70 47.64
1
9
20985 Archipelago   6 106 62.77
11
4
20986 Hypertubes   7 52 43.84
20
22
20987 Sequence   2 30 24.39
9
17
21049 Under Construction Forever   1 16 39.53
17
34

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