list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
45 Commedia dell Arte   199 38.75
1
17
123 Paying in Byteland   1 397 48.34
1
17
176 Sum of one-sequence   4 621 33.52
1
21
185 Chase   1 200 26.84
1
34
201 The Game of Polygons   1 244 39.67
1
17
329 Calls   1 118 28.43
1
17
362 Ignore the Garbage   1 386 43.70
1
17
515 Collatz   1 412 45.73
1
6
688 Toy Cars   369 21.62
1
17
869 Galactic Import   1 132 48.71
1
1
1480 Let us count 1 2 3   1 47 13.04
1
34
1553 Backup Files   2 191 21.45
1
34
1675 Fusion Cube   1 77 51.76
1
26
1784 IOICamp Sequence   1 307 12.80
1
17
1802 Edge   2 410 60.86
1
9
1870 Making Labels   -2 1612 59.64
1
10
1876 Dragon Curves   1 162 49.87
1
34
1965 Set Cover   1 24 12.73
1
17
2038 Rectangle Tiling   1 98 41.76
1
1
2529 Model Rocket Height   1 75 53.16
1
17
2649 Weird sorting   1 55 25.74
1
34
3249 Typesettin   1 30 50.00
1
1
3251 Slink   14 48.39
1
1
3394 Lagrange’s Four-Square Theorem   2 430 47.78
1
9
3409 Electricity   757 48.29
1
1
3933 Minimum Permutation   3 172 38.56
1
1
3973 0 0 Pairs   2 738 27.25
1
1
3982 String problem   4 576 47.56
1
23
4195 GCD Determinant   1 241 46.55
1
34
4565 What is your Logo   3 878 46.09
1
13
4672 Yanu in Movie theatre   8 1221 50.67
1
26
4871 Bridge   1 145 24.82
1
34
4951 Bridges! More bridges!   1 38 14.47
1
34
5010 Lost in Madrid   1 181 32.18
1
1
5463 Bird or not bird   2 111 40.36
1
17
5464 Counting triangles   1 181 30.71
1
34
5725 123 Sequence   2 112 25.96
1
1
6043 The Game   7 724 40.17
1
17
6172 OAE   4 848 39.55
1
17
6692 B - Esperanto Lessons   1 60 62.39
1
17
6819 Yet Another Assignment Problem   1 39 11.50
1
7108 Heptadecimal Numbers   6 1133 35.07
1
3
7200 Strange Calendar   1 66 46.60
1
1
7240 Playground   1 192 42.26
1
1
7249 Perfume   1 75 19.39
1
17
7250 Blocks for kids   1 73 45.61
1
17
7426 Imperial Units   2 443 51.43
1
11
7507 Wonderful Randomized Sum   1 255 43.45
1
1
7600 Milk Trading   2 165 32.44
1
17
7704 Civil Engineering   1 344 45.55
1
34

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