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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3105 Power Modulo Inverted   6 967 25.83
15
23
3106 Dictionary Subsequences   3 162 18.20
17
17
3107 Odd Numbers of Divisors   27 1039 18.24
22
22
3108 Charlesbert and Merangelou   71 47.31
3109 Longest Common Prefix   3 332 23.52
39
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 27.76
19
16
3196 Divisibility Relation   4 284 20.96
17
37
3197 Tree Construction   62 20.00
3208 Yet Another Longest Palindrome Problem   68 13.65
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 1036 23.75
21
21
3266 K-query   237 5246 24.78
21
25
3267 D-query   450 12246 27.55
19
23
3273 Order statistic set   157 3092 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
3310 Serial Numbers   1 32 29.06
34
17
3314 Umnozak   102 29.03
42
17
3322 Doubled Numbers   2 163 48.13
17
17
3347 Cestarine   59 34.58
3359 Stack   45 15.60
3360 Digital Image Recognition   25 8.19
3361 Cavli   1 40 44.87
17
17
3362 Setnja   2 239 21.15
9
17
3363 Svada   10 484 28.70
9
15
3372 Round Table   1 57 45.00
3373 Permutation Code   41 55.70
3374 Scavenger Hunt   10 1362 50.31
9
10
3375 Stamps   28 13679 41.74
5
3
3376 Parking Lot   1 138 20.05
17
17
3377 A Bug’s Life   342 15147 27.33
12
13
3379 String Shuffle   7 389 65.79
17
14
3380 Tourist   28 1021 38.52
19
31
3381 Highways   77 4304 37.92
10
9
3382 Monster Trap   1 27 22.44
34
17
3385 Yoda Goes Palindromic !   3 581 30.45
17
17
3387 Changing Maze   13 614 29.51
19
9
3388 Double Near Palindromes   1 447 33.95
17
17

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