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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
21193 Adjusting Ducks   3 67 31.82
20
27
21187 Increasing Shortest Path   2 34 20.25
26
34
21178 Encryption kit   56 29.58
21177 Distracted judges   6 324 44.91
13
17
21176 Stapled intervals   51 58.86
21175 Rush hour   145 41.81
21174 Gallantry   1 397 51.22
14
11
21173 String fertilization   61 41.89
21172 Erdos et al   3 141 36.84
26
26
21171 Fractal domino   18 53.52
21170 Constellation of the parallelogram   1 92 26.64
17
17
21169 Balanced base-3   7 519 52.53
9
7
21155 Manoj and Fire   25 21.16
21135 Distinct Viewpoints   2 23.08
34
1
21132 Palindromes   1 105 36.20
17
34
21104 Jarin Loves New Task   6 49 38.20
21
21
21096 Word Counting 2   3 175 29.70
34
17
21092 DRAW TABLE   6 47 53.79
17
1
21085 Palindrome Merge   1 35 28.24
17
17
21083 Lexicographically Smallest   14 250 33.20
16
17
21068 Popular   3 48 25.00
34
50
21061 Yet Another Subset Sum Problem   2 48 34.44
50
50
21058 Dirty Plates   27 32.65
21057 Super Lucky Palindromes   3 33 27.59
34
34
21049 Under Construction Forever   1 17 40.91
17
34
20987 Sequence   2 31 24.85
9
17
20986 Hypertubes   7 59 44.49
20
22
20985 Archipelago   6 107 62.96
11
4
20984 Music Academy   2 73 48.24
1
9
20980 Chicken Joggers   1 19 41.27
17
17
20979 Good   6 90 41.13
17
26
20977 Car Game   7 51 33.80
15
17
20972 Alia and Cryptography   3 101 45.45
30
26
20971 Alia and Substrings   -1 27 22.16
34
34
20970 Alia and Handsome Devil   5 399 30.65
17
12
20957 Alia and 3 Khans   1 77 31.54
34
17
20951 Pebbles   1 73 59.86
1
17
20931 Square-Free Product (Hard)   2 65 36.36
17
21
20930 Progression   4 26 8.01
34
34
20926 Special Numbers (Reverse and Add)   1 21 11.94
26
26
20872 Counting Pairwise Coprime Triples   1 50 52.45
34
34
20863 Largest Submatrix   82 27.21
20849 Interesting queries   3 46 34.12
34
34
20848 Interesting Game   60 44.68
20846 Interesting Selection   5 130 44.09
13
26
20845 Interesting Numbers   4 221 24.19
13
5
20775 Roger and tree   22 343 27.78
17
22
20752 LAZY FRIENDS   3 40 37.09
17
13
20689 WA,RTE and Placements   1 28 41.08
34
34
20673 Count The Indexes   7 253 29.60
17
30

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