list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3415 Shrinking Polygons   231 18.92
3414 Bora Bora   144 49.01
34
26
3413 Traveling Shoemaker Problem   2 73 16.87
28
17
3412 Higgs Boson   48 18.93
3411 Pole Position   2 910 47.49
8
8
3410 Feynman   122 34171 57.51
4
6
3409 Electricity   2 806 47.74
5
1
3408 DNA Sequences   47 1983 26.17
16
20
3407 Candy   30 1358 42.64
11
19
3406 Bases   68 21.12
3405 Almost Shortest Path   80 1666 31.59
22
21
3394 Lagrange’s Four-Square Theorem   4 529 45.92
1
9
3393 Knot or Not   6 13.56
3390 Tribe Council   1 57 22.07
34
34
3389 The Knights of the Round Circle   3 443 67.21
6
23
3388 Double Near Palindromes   1 448 34.01
17
17
3387 Changing Maze   13 619 29.57
19
9
3385 Yoda Goes Palindromic !   3 581 30.42
17
17
3382 Monster Trap   1 27 22.44
34
17
3381 Highways   77 4364 37.99
10
9
3380 Tourist   28 1076 38.36
19
31
3379 String Shuffle   7 394 65.92
17
14
3377 A Bug’s Life   342 15395 27.44
12
13
3376 Parking Lot   1 138 20.05
17
17
3375 Stamps   28 13727 41.75
5
3
3374 Scavenger Hunt   10 1366 50.36
9
10
3373 Permutation Code   41 55.70
3372 Round Table   1 57 45.00
3363 Svada   10 489 28.83
9
15
3362 Setnja   2 242 21.27
9
17
3361 Cavli   1 40 44.87
17
17
3360 Digital Image Recognition   27 9.07
3359 Stack   45 15.60
3347 Cestarine   59 34.31
3322 Doubled Numbers   2 163 48.13
17
17
3314 Umnozak   105 29.17
42
17
3310 Serial Numbers   1 34 29.27
34
17
3309 Bulletin Board   19 20.80
3308 The Bridges of San Mochti   2 64 54.40
17
17
3307 Hex Tile Equations   1 35 42.45
3306 Very Special Boxes   109 31.33
9
26
3305 Roman Patrollers   46 59.46
3273 Order statistic set   159 3144 26.00
22
20
3267 D-query   454 12841 27.93
19
23
3266 K-query   242 5504 24.93
21
25
3261 Race Against Time   37 1088 24.58
21
21
3254 Guard   14 51.72
3253 Electronic Document Security   3 149 60.78
23
6
3251 Slink   15 44.44
1
1
3249 Typesettin   2 34 45.45
1
1

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