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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
2946 Eclipse   1 24 9.76
50
50
2961 Triomino Game   2 240 28.24
26
42
2962 Painting Blocks (Act I)   113 57.95
2963 Painting Blocks (Act II)   1 61 21.28
17
34
3002 Electrophoretic   15 20.93
3003 Median Filter   2 21 42.66
34
34
3004 Life Game   -1 76 35.47
34
1
3005 Subdividing a Land   28 33.02
3006 Connect Line Segments   1 79 24.38
17
17
3007 Oil Company   3 178 25.08
23
28
3008 Finding the Top RPS Player   1 183 65.90
23
28
3009 Revenge of Voronoi   14 30.26
3010 Castle Wall   26 20.15
3023 Binary multiplication   3 229 25.04
17
17
3033 Help the soldier   18 1253 29.00
12
14
3070 How many subsequences   1 99 9.90
34
34
3078 Copying DNA   48 21.17
3105 Power Modulo Inverted   6 1155 27.55
15
23
3106 Dictionary Subsequences   3 170 18.47
17
17
3107 Odd Numbers of Divisors   27 1072 18.44
22
22
3108 Charlesbert and Merangelou   75 44.44
3109 Longest Common Prefix   4 396 25.51
38
34
3110 Palindromic Number   3 102 21.22
9
17
3111 Stabards   3 166 43.65
12
23
3112 Strings   1 269 31.38
17
34
3133 Here We Go(relians) Again   3 171 40.30
12
12
3166 Permutation Exponentiation   36 14.93
3184 Game of Lines   8 1315 27.76
14
9
3195 Doors and Penguins   9 244 27.35
19
16
3196 Divisibility Relation   5 291 21.10
20
39
3197 Tree Construction   64 20.10
3208 Yet Another Longest Palindrome Problem   69 14.04
3249 Typesettin   2 36 46.67
1
1
3251 Slink   16 38.46
1
1
3253 Electronic Document Security   3 156 61.07
23
6
3254 Guard   15 43.24
3261 Race Against Time   38 1181 24.86
21
21
3266 K-query   248 6127 25.55
21
25
3267 D-query   461 13991 28.60
19
23
3273 Order statistic set   160 3451 26.91
22
20
3305 Roman Patrollers   53 59.35
3306 Very Special Boxes   114 31.96
9
26
3307 Hex Tile Equations   1 37 42.34
3308 The Bridges of San Mochti   2 68 56.25
17
17
3309 Bulletin Board   24 22.07
3310 Serial Numbers   1 35 29.84
34
17
3314 Umnozak   115 30.02
42
17
3322 Doubled Numbers   2 169 49.36
17
17
3347 Cestarine   64 29.10
3359 Stack   50 16.63

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