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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3078 Copying DNA   45 19.85
3105 Power Modulo Inverted   6 1119 27.18
15
23
3106 Dictionary Subsequences   3 168 18.36
17
17
3107 Odd Numbers of Divisors   27 1066 18.39
22
22
3108 Charlesbert and Merangelou   72 44.50
3109 Longest Common Prefix   4 387 25.22
38
34
3110 Palindromic Number   3 98 20.75
9
17
3111 Stabards   3 166 43.65
12
23
3112 Strings   1 267 30.84
17
34
3133 Here We Go(relians) Again   3 170 40.19
12
12
3166 Permutation Exponentiation   34 14.92
3184 Game of Lines   8 1312 27.73
14
9
3195 Doors and Penguins   9 241 27.30
19
16
3196 Divisibility Relation   5 288 21.16
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   3 154 60.81
23
6
3254 Guard   15 44.44
3261 Race Against Time   38 1164 24.77
21
21
3266 K-query   248 5952 25.27
21
25
3267 D-query   460 13672 28.39
19
23
3273 Order statistic set   160 3377 26.55
22
20
3305 Roman Patrollers   50 58.82
3306 Very Special Boxes   112 31.51
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   23 21.53
3310 Serial Numbers   1 35 29.84
34
17
3314 Umnozak   113 29.75
42
17
3322 Doubled Numbers   2 167 49.15
17
17
3347 Cestarine   61 28.97
3359 Stack   47 15.73
3360 Digital Image Recognition   27 20.40
3361 Cavli   1 42 42.86
17
17
3362 Setnja   2 248 21.46
9
17
3363 Svada   10 494 28.78
9
15
3372 Round Table   1 60 43.75
3373 Permutation Code   43 56.10
3374 Scavenger Hunt   10 1371 50.45
9
10
3375 Stamps   29 13774 41.71
5
3
3376 Parking Lot   1 141 20.21
17
17
3377 A Bug’s Life   343 15800 27.65
12
13
3379 String Shuffle   7 399 65.73
17
14
3380 Tourist   28 1141 37.78
19
31
3381 Highways   77 4489 38.20
10
9
3382 Monster Trap   1 31 23.70
34
17
3385 Yoda Goes Palindromic !   3 585 30.49
17
17
3387 Changing Maze   13 623 29.71
19
9

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