list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1024 Complete Chess Boards   2 525 54.56
17
20
16778 Sir and the Guitar   6 146 54.55
4
5
8785 Cut the Silver Bar   52 5261 54.48
5
16
28265 Ada and Rain   14 391 54.47
10
14
13405 MayanCalendar   5 121 54.45
8
8
18467 A Brief Expedition   11 272 54.44
15
15
27683 Inquire   12 740 54.42
6
4
3308 The Bridges of San Mochti   2 64 54.40
17
17
390 Billiard   2 886 54.38
13
17
4178 Distance on a square lattice   122 54.32
8598 Traverse through the board   6 647 54.31
10
11
2529 Model Rocket Height   1 80 54.27
1
17
10425 Security System   25 54.24
11963 Packing Rectangles   34 54.17
8442 Problem 3   4 713 54.10
4
12
4761 Strategy game   2 37 54.10
9
17
21092 DRAW TABLE   6 44 54.07
17
1
9637 Black and White   12 2163 54.07
4
5
1391 Summing to a Square Prime   16 1415 54.06
12
17
8769 String distance   1 16 54.05
1
17
10416 Van Helsings gun   3 1416 54.05
6
13
15541 Simplified Hangul   4 42 54.00
17
13
3881 Majstor   1 728 53.93
4
4
3934 Recaman’s Sequence   25 3525 53.89
9
6
387 Travelling tours   1 304 53.89
30
34
33324 Ada and Salesman   1 34 53.89
17
17
9891 Please, go first   212 53.76
26
17
37053 Trailing Zeros   9 53 53.69
7
15
25384 Shuffles   2 38 53.68
1
17
1786 In Danger   49 4360 53.59
7
13
21525 Red John is Back   5 315 53.58
6
17
22270 Periodic function, trip 2   3 33 53.57
23
28
19151 Checkers   48 53.54
15431 Farmer Cream   3 536 53.53
1
6
1723 Bee Maja   3 556 53.51
17
21
13745 Crack the Safe   19 606 53.50
14
13
7733 Happy Numbers I   89 9330 53.36
8
8
10565 Alice Sieve   31 5005 53.35
2
7
10461 The magical escape   32 53.33
21966 Ricochet Robots   3 18 53.33
23
12
34575 A New Task for Ibrahim   7 36 53.33
4
28
35075 Teleporters and Gems   3 47 53.33
17
17
7884 Crni   52 53.27
399 Team Rankings   1 385 53.26
17
9
14156 Movie Theatre Madness   7 441 53.24
15
15
25472 Good kg of Flauta bread   4 74 53.20
17
21
8424 Life Game   4 156 53.17
13
5
10285 Why this kolaveri di   21 1418 53.11
12
21
901 Index Generation   37 53.09
36531 Empanadas   10 73 53.06
5
10

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