list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3078 Copying DNA   43 22.57
3105 Power Modulo Inverted   6 1099 26.99
15
23
3106 Dictionary Subsequences   3 167 18.25
17
17
3107 Odd Numbers of Divisors   27 1059 18.35
22
22
3108 Charlesbert and Merangelou   71 46.56
3109 Longest Common Prefix   4 379 25.00
38
34
3110 Palindromic Number   3 97 20.60
9
17
3111 Stabards   3 164 43.48
12
23
3112 Strings   1 265 30.74
17
34
3133 Here We Go(relians) Again   3 169 40.07
12
12
3166 Permutation Exponentiation   33 14.77
3184 Game of Lines   8 1310 27.69
14
9
3195 Doors and Penguins   9 239 27.25
19
16
3196 Divisibility Relation   5 287 21.11
20
39
3197 Tree Construction   64 20.10
3208 Yet Another Longest Palindrome Problem   68 13.65
3249 Typesettin   2 34 45.45
1
1
3251 Slink   15 44.44
1
1
3253 Electronic Document Security   3 150 60.92
23
6
3254 Guard   14 51.72
3261 Race Against Time   37 1129 24.64
21
21
3266 K-query   248 5811 25.04
21
25
3267 D-query   458 13438 28.30
19
23
3273 Order statistic set   160 3272 26.31
22
20
3305 Roman Patrollers   46 58.41
3306 Very Special Boxes   112 31.58
9
26
3307 Hex Tile Equations   1 36 41.82
3308 The Bridges of San Mochti   2 66 55.56
17
17
3309 Bulletin Board   20 21.43
3310 Serial Numbers   1 34 29.27
34
17
3314 Umnozak   111 29.59
42
17
3322 Doubled Numbers   2 165 48.81
17
17
3347 Cestarine   61 34.15
3359 Stack   45 15.54
3360 Digital Image Recognition   27 20.69
3361 Cavli   1 40 44.30
17
17
3362 Setnja   2 244 21.35
9
17
3363 Svada   10 492 28.73
9
15
3372 Round Table   1 56 44.44
3373 Permutation Code   42 55.56
3374 Scavenger Hunt   10 1369 50.41
9
10
3375 Stamps   28 13769 41.70
5
3
3376 Parking Lot   1 138 20.02
17
17
3377 A Bug’s Life   342 15656 27.56
12
13
3379 String Shuffle   7 396 65.64
17
14
3380 Tourist   28 1114 38.12
19
31
3381 Highways   77 4456 38.10
10
9
3382 Monster Trap   1 27 22.44
34
17
3385 Yoda Goes Palindromic !   3 584 30.50
17
17
3387 Changing Maze   13 620 29.62
19
9

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