list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
45 Commedia dell Arte   198 38.77
1
17
123 Paying in Byteland   1 391 49.19
1
17
176 Sum of one-sequence   4 614 33.38
1
21
185 Chase   1 197 27.11
1
34
201 The Game of Polygons   1 241 39.54
1
17
224 Vonny and her dominos   2 495 52.22
1
1
329 Calls   1 118 28.43
1
17
362 Ignore the Garbage   1 380 43.83
1
17
515 Collatz   2 402 48.96
1
9
688 Toy Cars   361 21.52
1
17
1480 Let us count 1 2 3   1 41 12.37
1
34
1553 Backup Files   1 175 20.82
1
34
1675 Fusion Cube   1 76 51.48
1
26
1784 IOICamp Sequence   1 307 12.81
1
17
1802 Edge   2 406 60.53
1
9
1870 Making Labels   -4 1602 59.56
1
9
1876 Dragon Curves   1 160 50.00
1
34
1965 Set Cover   1 24 12.73
1
17
2038 Rectangle Tiling   1 95 41.21
1
1
2412 Arranging Amplifiers   5 1076 25.71
1
21
2525 Encoding   1 717 29.33
1
17
2529 Model Rocket Height   1 75 53.16
1
17
2649 Weird sorting   1 54 26.43
1
34
3249 Typesettin   1 30 50.00
1
1
3251 Slink   14 48.39
1
1
3394 Lagrange’s Four-Square Theorem   2 426 47.69
1
9
3409 Electricity   748 48.27
1
1
3933 Minimum Permutation   3 169 38.76
1
1
3973 0 0 Pairs   2 731 27.43
1
1
3982 String problem   4 567 47.43
1
23
4035 NERED   1 367 59.84
1
17
4195 GCD Determinant   1 235 46.49
1
34
4565 What is your Logo   3 872 46.03
1
13
4672 Yanu in Movie theatre   8 1160 50.45
1
26
4871 Bridge   1 146 25.02
1
34
4951 Bridges! More bridges!   1 38 14.47
1
34
5010 Lost in Madrid   1 179 32.28
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   1 109 26.41
1
1
6043 The Game   6 685 39.83
1
17
6172 OAE   4 835 39.43
1
17
6692 B - Esperanto Lessons   1 58 62.86
1
17
6819 Yet Another Assignment Problem   1 39 11.50
1
7108 Heptadecimal Numbers   6 1123 35.01
1
3
7200 Strange Calendar   1 66 46.60
1
1
7239 Cells   1 61 45.14
1
1
7240 Playground   188 42.14
1
1
7249 Perfume   1 75 19.57
1
17
7250 Blocks for kids   1 68 45.22
1
17

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