list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3415 Shrinking Polygons   230 18.87
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   121 34000 57.51
4
6
3409 Electricity   2 804 47.69
5
1
3408 DNA Sequences   47 1980 26.18
16
20
3407 Candy   30 1357 42.63
11
19
3406 Bases   68 21.12
3405 Almost Shortest Path   80 1661 31.58
22
21
3394 Lagrange’s Four-Square Theorem   4 527 45.84
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   3 442 67.29
6
23
3388 Double Near Palindromes   1 447 33.95
17
17
3387 Changing Maze   13 615 29.54
19
9
3385 Yoda Goes Palindromic !   3 581 30.44
17
17
3382 Monster Trap   1 27 22.44
34
17
3381 Highways   77 4341 37.94
10
9
3380 Tourist   28 1051 38.71
19
31
3379 String Shuffle   7 393 65.96
17
14
3377 A Bug’s Life   342 15279 27.41
12
13
3376 Parking Lot   1 138 20.05
17
17
3375 Stamps   28 13714 41.75
5
3
3374 Scavenger Hunt   10 1364 50.35
9
10
3373 Permutation Code   41 55.70
3372 Round Table   1 57 45.00
3363 Svada   10 487 28.79
9
15
3362 Setnja   2 241 21.24
9
17
3361 Cavli   1 40 44.87
17
17
3360 Digital Image Recognition   25 8.19
3359 Stack   45 15.60
3347 Cestarine   59 34.58
3322 Doubled Numbers   2 163 48.13
17
17
3314 Umnozak   104 29.08
42
17
3310 Serial Numbers   1 32 29.06
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   1 108 31.31
17
17
3305 Roman Patrollers   45 58.72
3273 Order statistic set   157 3117 25.83
22
20
3267 D-query   452 12543 27.73
19
23
3266 K-query   241 5371 24.83
21
25
3261 Race Against Time   37 1068 24.52
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 45.98
1
1

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