list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3196 Divisibility Relation   4 284 20.96
17
37
3197 Tree Construction   62 20.00
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 1037 23.76
21
21
3266 K-query   237 5255 24.78
21
25
3267 D-query   450 12277 27.57
19
23
3273 Order statistic set   157 3094 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 13680 41.74
5
3
3376 Parking Lot   1 138 20.05
17
17
3377 A Bug’s Life   342 15161 27.33
12
13
3379 String Shuffle   7 389 65.79
17
14
3380 Tourist   28 1021 38.52
19
31
3381 Highways   77 4309 37.93
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
3389 The Knights of the Round Circle   3 441 67.25
6
23
3390 Tribe Council   1 57 22.07
34
34
3393 Knot or Not   6 13.56
3394 Lagrange’s Four-Square Theorem   4 527 45.84
1
9
3405 Almost Shortest Path   80 1660 31.57
22
21
3406 Bases   68 21.12
3407 Candy   30 1357 42.64
11
19
3408 DNA Sequences   46 1975 26.29
16
20
3409 Electricity   2 801 47.61
5
1
3410 Feynman   120 33836 57.52
4
6
3411 Pole Position   2 910 47.49
8
8
3412 Higgs Boson   48 18.93
3413 Traveling Shoemaker Problem   2 73 16.87
28
17

Most popular tags