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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
19975 Amazing Prime Sequence (hard)   5 90 43.81
39
45
19976 HYPERCUBES   1 117 45.71
1
17
19985 GCD Extreme (hard)   2 337 36.08
26
34
19991 In case of failure   3 128 40.58
34
34
19996 Moon Safari (medium)   4 80 40.32
30
34
19997 Moon Safari (Hard)   3 51 54.15
34
39
20038 Easiest Loop 1   3 378 48.67
6
17
20041 Hippo and Bloody Jungle   -1 40 19.78
28
17
20050 Love Story 2   1 88 38.15
9
9
20063 Large subsequence Problem   20 449 42.16
10
14
20100 Honda and Kagawa   3 381 45.74
1
21
20167 Array with Hudai Calculation   1 51 24.51
34
34
20170 Coloring Segments   5 88 20.53
31
34
20172 Divisiblity by 3   11 585 30.47
14
10
20173 Counting Divisors (square)   6 468 21.55
29
38
20174 Counting Divisors (cube)   7 385 35.42
21
42
20196 The Magical Bag   3 199 38.38
34
34
20327 Triangles   1 30 28.99
50
50
20562 Tracy and Charlie   1 45 58.43
17
34
20563 Minion Circle   19 32.97
20635 Dortmund Dilemma   1 20 45.45
17
34
20637 Ajob Subsequence   78 39.06
1
17
20644 Zero Query   17 732 19.48
31
27
20654 Interesting Subset   5 96 23.53
11
14
20673 Count The Indexes   7 248 29.36
17
30
20689 WA,RTE and Placements   1 27 40.76
34
34
20752 LAZY FRIENDS   3 33 42.73
17
13
20775 Roger and tree   22 331 27.98
17
22
20845 Interesting Numbers   4 219 24.08
13
5
20846 Interesting Selection   5 126 43.63
13
26
20848 Interesting Game   60 43.34
20849 Interesting queries   3 45 35.54
34
34
20863 Largest Submatrix   81 27.10
20872 Counting Pairwise Coprime Triples   1 49 54.74
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 65 36.52
17
21
20951 Pebbles   1 45 50.88
1
17
20957 Alia and 3 Khans   1 74 31.01
34
17
20970 Alia and Handsome Devil   5 394 30.47
17
12
20971 Alia and Substrings   24 20.83
20972 Alia and Cryptography   3 101 43.86
30
26
20977 Car Game   7 43 33.68
15
17
20979 Good   5 84 41.67
17
27
20980 Chicken Joggers   14 42.22
20984 Music Academy   2 69 47.37
1
9
20985 Archipelago   6 106 62.77
11
4
20986 Hypertubes   7 50 42.48
20
22
20987 Sequence   2 31 25.31
9
17
21049 Under Construction Forever   1 15 41.03
17
34

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