list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3078 Copying DNA   46 20.15
3105 Power Modulo Inverted   6 1138 27.41
15
23
3106 Dictionary Subsequences   3 169 18.43
17
17
3107 Odd Numbers of Divisors   27 1070 18.43
22
22
3108 Charlesbert and Merangelou   75 44.44
3109 Longest Common Prefix   4 395 25.45
38
34
3110 Palindromic Number   3 101 21.07
9
17
3111 Stabards   3 166 43.65
12
23
3112 Strings   1 268 31.34
17
34
3133 Here We Go(relians) Again   3 170 40.19
12
12
3166 Permutation Exponentiation   36 14.93
3184 Game of Lines   8 1315 27.76
14
9
3195 Doors and Penguins   9 243 27.37
19
16
3196 Divisibility Relation   5 291 21.10
20
39
3197 Tree Construction   64 20.10
3208 Yet Another Longest Palindrome Problem   68 13.77
3249 Typesettin   2 35 46.07
1
1
3251 Slink   15 34.04
1
1
3253 Electronic Document Security   3 156 61.07
23
6
3254 Guard   15 43.24
3261 Race Against Time   38 1177 24.82
21
21
3266 K-query   248 6054 25.44
21
25
3267 D-query   461 13872 28.49
19
23
3273 Order statistic set   160 3420 26.64
22
20
3305 Roman Patrollers   53 59.35
3306 Very Special Boxes   114 31.96
9
26
3307 Hex Tile Equations   1 37 43.36
3308 The Bridges of San Mochti   2 68 56.06
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   49 16.09
3360 Digital Image Recognition   28 20.48
3361 Cavli   1 43 43.20
17
17
3362 Setnja   2 249 21.51
9
17
3363 Svada   10 496 28.88
9
15
3372 Round Table   1 61 43.81
3373 Permutation Code   43 56.10
3374 Scavenger Hunt   10 1375 50.52
9
10
3375 Stamps   29 13784 41.72
5
3
3376 Parking Lot   1 143 20.40
17
17
3377 A Bug’s Life   343 15877 27.69
12
13
3379 String Shuffle   7 400 65.69
17
14
3380 Tourist   28 1158 37.86
19
31
3381 Highways   77 4506 38.23
10
9
3382 Monster Trap   1 32 24.06
34
17
3385 Yoda Goes Palindromic !   3 586 30.53
17
17
3387 Changing Maze   13 626 29.79
19
9

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