list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
45 Commedia dell Arte   207 38.26
1
17
185 Chase   1 213 26.91
1
34
201 The Game of Polygons   1 248 39.89
1
17
329 Calls   1 117 28.22
1
17
362 Ignore the Garbage   1 395 44.02
1
17
515 Collatz   1 424 44.62
1
6
688 Toy Cars   410 22.69
1
17
1480 Let us count 1 2 3   1 57 14.82
1
34
1675 Fusion Cube   1 77 51.76
1
26
1784 IOICamp Sequence   1 314 12.96
1
17
1876 Dragon Curves   1 166 49.50
1
34
1965 Set Cover   1 24 11.93
1
17
2009 Cryptography   1 92 3.55
1
34
2038 Rectangle Tiling   2 105 42.39
1
1
2529 Model Rocket Height   1 78 54.04
1
17
2649 Weird sorting   1 57 26.36
1
34
2878 Knights of the Round Table   1 114 29.88
1
17
3249 Typesettin   1 30 50.00
1
1
3251 Slink   14 45.45
1
1
3394 Lagrange’s Four-Square Theorem   3 456 48.82
1
9
3909 CALCULATE POW(2004,X) MOD 29   1 264 59.19
1
17
3936 Repair City Hall   2 218 50.00
1
1
3940 Sum of Primes   196 63.64
1
1
4565 What is your Logo   3 905 46.20
1
13
4871 Bridge   1 152 24.50
1
34
4951 Bridges! More bridges!   1 38 14.51
1
34
5010 Lost in Madrid   1 186 32.26
1
1
5148 Get-Together at Stockholm   1 47 45.37
1
17
5463 Bird or not bird   2 110 40.06
1
17
5725 123 Sequence   2 116 25.59
1
1
6172 OAE   4 911 40.28
1
23
6692 B - Esperanto Lessons   1 60 62.39
1
17
6819 Yet Another Assignment Problem   1 39 11.50
1
7200 Strange Calendar   1 67 46.86
1
1
7240 Playground   1 194 42.04
1
1
7249 Perfume   2 88 19.34
1
17
7507 Wonderful Randomized Sum   1 271 44.61
1
1
7600 Milk Trading   4 177 32.04
1
28
7704 Civil Engineering   1 460 47.72
1
34
8004 Tree Topology   1 77 51.37
1
1
8286 Perfect Matching   88 20.05
1
17
8330 Giant fountain   1 26 46.74
1
17
8407 Candies and Milestones   1 466 21.56
1
17
8420 Finding Minimum   1 69 36.36
1
17
8769 String distance   1 16 54.05
1
17
8843 Complete the Set   1 48 32.68
1
17
9042 HQNP Incomputable   4 44 34.48
1
9
9097 Derangements HARD   1 67 56.59
1
17
9430 The game of 31   -1 152 39.34
1
9
9507 Mario and Mushrooms   327 57.46
1
34

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