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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3208 Yet Another Longest Palindrome Problem   68 13.65
3197 Tree Construction   62 20.00
3196 Divisibility Relation   4 284 20.96
17
37
3195 Doors and Penguins   9 238 27.22
19
16
3184 Game of Lines   8 1299 27.73
14
9
3166 Permutation Exponentiation   33 14.85
3133 Here We Go(relians) Again   3 168 40.22
12
12
3112 Strings   1 265 30.68
17
34
3111 Stabards   3 160 43.10
12
23
3110 Palindromic Number   3 94 20.15
9
17
3109 Longest Common Prefix   4 337 23.70
38
34
3108 Charlesbert and Merangelou   71 47.31
3107 Odd Numbers of Divisors   27 1042 18.26
22
22
3106 Dictionary Subsequences   3 162 18.20
17
17
3105 Power Modulo Inverted   6 980 25.91
15
23
3078 Copying DNA   44 23.53
3070 How many subsequences   1 94 9.74
34
34
3033 Help the soldier   18 1242 29.02
12
14
3023 Binary multiplication   3 226 25.00
17
17
3010 Castle Wall   25 22.13
3009 Revenge of Voronoi   14 34.92
3008 Finding the Top RPS Player   1 177 68.63
23
28
3007 Oil Company   3 178 25.08
23
28
3006 Connect Line Segments   1 75 25.59
17
17
3005 Subdividing a Land   24 37.80
3004 Life Game   -1 69 33.94
34
1
3003 Median Filter   2 20 47.58
34
34
3002 Electrophoretic   12 26.00
2963 Painting Blocks (Act II)   1 55 20.19
17
34
2962 Painting Blocks (Act I)   107 58.24
2961 Triomino Game   2 236 28.36
26
42
2946 Eclipse   1 24 10.92
50
50
2944 Emmons   7 8.28
2940 Untitled Problem II   116 15.17
34
2939 Query on a tree V   75 1722 27.81
29
30
2916 Can you answer these queries V   51 2555 25.97
23
23
2906 GCD2   60 6789 36.48
12
11
2905 Not a Triangle   93 4978 38.63
11
11
2903 Transportation   11 46.43
2902 Candy IV   31 51.25
50
34
2901 One Geometry Problem   9 1791 36.04
4
13
2899 Volunteers   55 46.91
17
34
2898 Party of Cloaked Killers   29 21.15
2885 Word Rings   2 329 14.45
17
34
2884 Martian Mining   87 2269 47.77
13
22
2883 Widget Factory   2 100 32.72
26
26
2882 The Warehouse   1 24 28.46
34
17
2881 Find the Clones   17 2037 44.43
9
7
2880 Wild West   99 42.47
17
34
2879 The Cow Doctor   141 37.24
17

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