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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   1 115 45.62
1
17
19985 GCD Extreme (hard)   2 326 35.71
26
34
19991 In case of failure   3 126 40.77
34
34
19996 Moon Safari (medium)   4 76 39.64
30
34
19997 Moon Safari (Hard)   3 49 55.56
34
39
20038 Easiest Loop 1   3 371 48.38
6
17
20041 Hippo and Bloody Jungle   -1 40 19.92
28
17
20050 Love Story 2   1 86 38.01
9
9
20063 Large subsequence Problem   20 446 42.07
10
14
20100 Honda and Kagawa   3 380 45.69
1
21
20167 Array with Hudai Calculation   1 48 23.86
34
34
20170 Coloring Segments   5 88 20.53
31
34
20172 Divisiblity by 3   11 583 30.49
14
10
20173 Counting Divisors (square)   6 462 21.71
29
38
20174 Counting Divisors (cube)   7 383 35.41
21
42
20196 The Magical Bag   3 198 38.33
34
34
20327 Triangles   1 29 29.27
50
50
20562 Tracy and Charlie   1 42 56.98
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   16 711 19.41
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 22 39.20
34
34
20752 LAZY FRIENDS   3 33 51.65
17
13
20775 Roger and tree   22 330 27.93
17
22
20845 Interesting Numbers   4 219 24.08
13
5
20846 Interesting Selection   5 123 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 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 62 35.97
17
21
20951 Pebbles   1 33 53.75
1
17
20957 Alia and 3 Khans   1 74 31.36
34
17
20970 Alia and Handsome Devil   5 391 30.37
17
12
20971 Alia and Substrings   20 21.99
20972 Alia and Cryptography   3 101 43.86
30
26
20977 Car Game   7 43 38.32
15
17
20979 Good   5 83 41.43
17
27
20980 Chicken Joggers   14 55.88
20984 Music Academy   2 64 46.45
1
9
20985 Archipelago   6 105 62.57
11
4
20986 Hypertubes   6 46 42.38
20
23
20987 Sequence   2 27 23.18
9
17
21049 Under Construction Forever   1 14 40.54
17
34

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