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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3463 Robintron   8 22.06
3462 The Skatepark´s New Ramps   11 12.26
3461 Song Contest   16 15.74
3459 SkyScrapers   3 375 38.37
17
17
3442 The last digit   190 30112 26.98
9
8
3436 Histogram   44 1546 44.27
19
22
3426 Ouroboros Snake   2 86 52.26
26
34
3420 Falling Ice   7 12.50
3415 Shrinking Polygons   1 237 19.53
17
34
3414 Bora Bora   148 49.39
34
26
3413 Traveling Shoemaker Problem   1 77 17.32
26
17
3412 Higgs Boson   52 19.09
3411 Pole Position   2 920 47.42
8
8
3410 Feynman   122 34525 57.48
4
6
3409 Electricity   2 811 47.73
5
1
3408 DNA Sequences   47 1991 26.13
16
20
3407 Candy   31 1369 42.63
12
20
3406 Bases   72 20.81
3405 Almost Shortest Path   79 1713 31.36
22
21
3394 Lagrange’s Four-Square Theorem   4 532 46.08
1
9
3393 Knot or Not   10 16.67
3390 Tribe Council   1 63 21.41
34
34
3389 The Knights of the Round Circle   3 451 66.86
6
23
3388 Double Near Palindromes   1 456 34.21
17
17
3387 Changing Maze   13 626 29.79
19
9
3385 Yoda Goes Palindromic !   3 586 30.53
17
17
3382 Monster Trap   1 32 24.06
34
17
3381 Highways   77 4516 38.26
10
9
3380 Tourist   28 1167 37.75
19
31
3379 String Shuffle   7 400 65.69
17
14
3377 A Bug’s Life   343 15917 27.71
12
13
3376 Parking Lot   1 143 20.40
17
17
3375 Stamps   29 13789 41.72
5
3
3374 Scavenger Hunt   10 1375 50.52
9
10
3373 Permutation Code   43 56.10
3372 Round Table   1 61 43.81
3363 Svada   10 496 28.88
9
15
3362 Setnja   2 249 21.51
9
17
3361 Cavli   1 43 43.20
17
17
3360 Digital Image Recognition   28 20.48
3359 Stack   50 16.63
3347 Cestarine   64 29.10
3322 Doubled Numbers   2 169 49.36
17
17
3314 Umnozak   115 30.02
42
17
3310 Serial Numbers   1 35 29.84
34
17
3309 Bulletin Board   24 22.07
3308 The Bridges of San Mochti   2 68 56.25
17
17
3307 Hex Tile Equations   1 37 42.34
3306 Very Special Boxes   114 31.96
9
26
3305 Roman Patrollers   53 59.35

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