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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
2903 Transportation   11 46.43
2905 Not a Triangle   93 4976 38.64
11
11
2906 GCD2   60 6786 36.48
12
11
2916 Can you answer these queries V   51 2543 25.88
23
23
2939 Query on a tree V   75 1718 27.77
29
30
2940 Untitled Problem II   115 15.16
34
2944 Emmons   7 8.28
2946 Eclipse   1 24 10.92
50
50
2961 Triomino Game   2 236 28.36
26
42
2962 Painting Blocks (Act I)   107 58.24
2963 Painting Blocks (Act II)   1 55 20.19
17
34
3002 Electrophoretic   12 26.00
3003 Median Filter   2 20 47.58
34
34
3004 Life Game   -1 69 33.94
34
1
3005 Subdividing a Land   24 37.80
3006 Connect Line Segments   1 75 25.59
17
17
3007 Oil Company   3 178 25.08
23
28
3008 Finding the Top RPS Player   1 176 68.54
23
28
3009 Revenge of Voronoi   14 34.92
3010 Castle Wall   25 22.13
3033 Help the soldier   18 1242 29.06
12
14
3070 How many subsequences   1 94 9.74
34
34
3078 Copying DNA   44 23.53
3105 Power Modulo Inverted   6 970 25.87
15
23
3106 Dictionary Subsequences   3 162 18.20
17
17
3107 Odd Numbers of Divisors   27 1039 18.25
22
22
3108 Charlesbert and Merangelou   71 47.31
3109 Longest Common Prefix   4 334 23.58
38
34
3110 Palindromic Number   3 94 20.19
9
17
3111 Stabards   3 160 43.10
12
23
3112 Strings   1 265 30.68
17
34
3133 Here We Go(relians) Again   3 168 40.22
12
12
3166 Permutation Exponentiation   33 14.85
3184 Game of Lines   8 1299 27.73
14
9
3195 Doors and Penguins   9 236 27.73
19
16
3196 Divisibility Relation   4 284 20.96
17
37
3197 Tree Construction   62 20.00
3249 Typesettin   2 33 45.68
1
1
3251 Slink   15 44.44
1
1
3253 Electronic Document Security   3 149 60.78
23
6
3254 Guard   14 51.72
3261 Race Against Time   37 1043 23.89
21
21
3266 K-query   237 5256 24.77
21
25
3267 D-query   452 12298 27.58
19
23
3273 Order statistic set   157 3098 25.76
22
20
3305 Roman Patrollers   45 59.26
3306 Very Special Boxes   1 108 31.31
17
17
3307 Hex Tile Equations   1 35 42.45
3308 The Bridges of San Mochti   2 64 54.40
17
17
3309 Bulletin Board   19 20.80

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