list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
45 Commedia dell Arte   190 38.67
1
17
123 Paying in Byteland   1 387 49.19
1
17
176 Sum of one-sequence   4 604 33.55
1
23
185 Chase   1 195 27.34
1
34
201 The Game of Polygons   1 239 39.38
1
17
224 Vonny and her dominos   2 440 52.46
1
1
329 Calls   1 117 28.31
1
17
362 Ignore the Garbage   1 377 43.59
1
17
515 Collatz   2 395 48.90
1
9
688 Toy Cars   352 21.48
1
17
1431 Projections Of A Polygon   1 96 9.09
1
1
1440 Use of Function Arctan   2 481 30.00
1
34
1480 Let us count 1 2 3   1 38 12.09
1
34
1675 Fusion Cube   75 52.12
1
17
1784 IOICamp Sequence   1 301 12.69
1
17
1802 Edge   1 404 60.50
1
1
1870 Making Labels   -5 1582 59.35
1
9
1876 Dragon Curves   1 159 50.00
1
34
1965 Set Cover   1 24 12.73
1
17
2149 Biased Standings   5 1499 31.94
1
3
2412 Arranging Amplifiers   5 976 25.47
1
21
2525 Encoding   1 706 29.21
1
17
2529 Model Rocket Height   1 75 55.63
1
17
3249 Typesettin   1 30 50.00
1
1
3251 Slink   14 48.39
1
1
3389 The Knights of the Round Circle   2 410 67.88
1
26
3394 Lagrange’s Four-Square Theorem   2 413 47.42
1
9
3409 Electricity   740 48.34
1
1
3931 Maximum Triangle Area   1 229 31.38
1
34
3964 Investment Money   5 393 26.18
1
9
3973 0 0 Pairs   2 707 27.04
1
1
3982 String problem   3 544 46.92
1
23
4164 A conjecture of Paul ErdÅ‘s   2 511 49.75
1
9
4302 (K,N)-Knight   -1 281 24.36
1
1
4565 What is your Logo   4 862 46.21
1
13
4672 Yanu in Movie theatre   6 1082 50.02
1
28
4761 Strategy game   1 31 52.68
1
17
4871 Bridge   1 145 25.00
1
34
4951 Bridges! More bridges!   1 38 14.47
1
34
5010 Lost in Madrid   1 167 31.95
1
1
5463 Bird or not bird   1 109 40.24
1
17
5464 Counting triangles   1 179 30.75
1
34
5725 123 Sequence   1 109 26.28
1
1
6043 The Game   6 631 39.31
1
17
6172 OAE   4 785 39.63
1
17
6692 B - Esperanto Lessons   1 57 63.11
1
17
6803 Absurd prices   365 25.98
1
1
6819 Yet Another Assignment Problem   1 39 11.50
1
6978 Check 1324   1 69 19.88
1
1
7015 Party   -6 812 49.64
1
11

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