list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
45 Commedia dell Arte   195 39.11
1
17
123 Paying in Byteland   1 388 49.23
1
17
176 Sum of one-sequence   4 612 33.38
1
23
185 Chase   1 196 27.03
1
34
201 The Game of Polygons   1 240 39.43
1
17
224 Vonny and her dominos   2 472 51.93
1
1
329 Calls   1 118 28.43
1
17
362 Ignore the Garbage   1 379 43.79
1
17
515 Collatz   2 401 48.77
1
9
688 Toy Cars   354 21.49
1
17
1431 Projections Of A Polygon   1 98 9.21
1
1
1480 Let us count 1 2 3   1 38 12.09
1
34
1675 Fusion Cube   1 76 51.79
1
26
1784 IOICamp Sequence   1 304 12.73
1
17
1802 Edge   2 406 60.53
1
9
1870 Making Labels   -4 1590 59.44
1
9
1876 Dragon Curves   1 159 50.00
1
34
1965 Set Cover   1 24 12.73
1
17
2149 Biased Standings   5 1576 32.19
1
3
2412 Arranging Amplifiers   5 1013 25.61
1
21
2525 Encoding   1 708 29.22
1
17
2529 Model Rocket Height   1 75 53.85
1
17
3249 Typesettin   1 30 50.00
1
1
3251 Slink   14 48.39
1
1
3394 Lagrange’s Four-Square Theorem   2 417 47.41
1
9
3409 Electricity   745 48.38
1
1
3931 Maximum Triangle Area   1 239 30.71
1
34
3973 0 0 Pairs   2 717 27.04
1
1
3982 String problem   4 554 47.22
1
23
4035 NERED   1 361 60.24
1
17
4164 A conjecture of Paul ErdÅ‘s   2 523 49.97
1
9
4565 What is your Logo   3 867 46.02
1
13
4672 Yanu in Movie theatre   7 1115 50.43
1
30
4761 Strategy game   1 31 52.68
1
17
4871 Bridge   1 146 25.02
1
34
4951 Bridges! More bridges!   1 38 14.47
1
34
5010 Lost in Madrid   1 174 31.95
1
1
5463 Bird or not bird   1 110 40.18
1
17
5464 Counting triangles   1 179 30.72
1
34
5725 123 Sequence   1 109 26.28
1
1
6043 The Game   6 651 39.63
1
17
6172 OAE   4 820 39.75
1
17
6692 B - Esperanto Lessons   1 57 63.11
1
17
6803 Absurd prices   365 25.96
1
1
6819 Yet Another Assignment Problem   1 39 11.50
1
7015 Party   -6 822 49.66
1
15
7108 Heptadecimal Numbers   6 1114 35.02
1
4
7200 Strange Calendar   1 66 46.60
1
1
7239 Cells   1 61 45.40
1
1
7240 Playground   185 41.50
1
1

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