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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
19975 Amazing Prime Sequence (hard)   5 83 42.49
39
45
19976 HYPERCUBES   1 111 45.31
1
17
19985 GCD Extreme (hard)   2 281 35.06
26
34
19991 In case of failure   3 119 40.11
34
34
19996 Moon Safari (medium)   4 74 37.83
30
34
19997 Moon Safari (Hard)   3 46 55.15
34
39
20038 Easiest Loop 1   3 370 48.42
6
17
20041 Hippo and Bloody Jungle   -1 39 19.08
28
17
20050 Love Story 2   1 86 38.17
9
9
20063 Large subsequence Problem   20 443 41.95
10
14
20100 Honda and Kagawa   3 330 46.93
1
21
20167 Array with Hudai Calculation   46 23.92
50
50
20170 Coloring Segments   5 88 20.64
31
34
20172 Divisiblity by 3   11 583 30.55
14
10
20173 Counting Divisors (square)   6 434 21.70
26
36
20174 Counting Divisors (cube)   6 359 34.78
17
41
20196 The Magical Bag   3 198 38.36
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 44.44
17
34
20637 Ajob Subsequence   77 38.94
1
17
20644 Zero Query   16 663 19.66
30
27
20654 Interesting Subset   5 95 23.50
11
14
20673 Count The Indexes   7 242 29.20
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   22 329 27.89
17
22
20845 Interesting Numbers   4 218 24.02
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 47 53.73
34
34
20926 Special Numbers (Reverse and Add)   1 21 12.83
26
26
20930 Progression   4 26 8.84
34
34
20931 Square-Free Product (Hard)   2 58 35.98
17
21
20951 Pebbles   1 24 51.67
1
17
20957 Alia and 3 Khans   1 74 31.36
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   6 38 39.73
15
15
20979 Good   5 76 42.17
17
27
20980 Chicken Joggers   14 55.88
20984 Music Academy   2 64 46.45
1
9
20985 Archipelago   6 103 62.50
11
4
20986 Hypertubes   6 43 42.57
20
23
20987 Sequence   2 27 23.18
9
17
21049 Under Construction Forever   1 15 44.44
17
34

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