list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1108 Card Trick   68 2193 50.38
21
24
10509 Cards   78 13458 34.01
4
4
4390 Cards shuffing   2 120 26.79
26
21
1797 Cardsharper   2 7 29.39
34
45
23538 Carina   2 17 11.50
34
17
18511 Cartman and Butters Game   15 29.41
3010 Castle Wall   25 22.13
25960 Cat and Mouse I   57 14.54
8952 Catapult that ball   35 2889 26.20
12
12
4318 Catch Fish   11 493 32.84
21
26
6917 Catch Sheep   2 35 24.78
34
34
33019 Catering Contracts   7 86 33.49
23
27
28164 Cats Invitation   7 77 27.99
21
15
3678 Cattle Bruisers   86 25.65
15892 Cave   1 11 17.39
17
34
7589 Cave Crisis   11 65.22
272 Cave Exploration   39 10.02
17
1
3361 Cavli   1 40 44.87
17
17
27094 Ceiling Function   3 144 43.86
9
12
2051 Cell Phone   4 159 31.34
28
36
7239 Cells   3 76 45.45
17
9
14845 Center of Mass   2 126 25.72
17
1
3347 Cestarine   59 34.31
8139 Chairs   8 548 37.75
12
20
16208 Challenge Accepted   2 20 27.68
17
17
36529 Challenge Accepted!   1 41 27.07
17
17
3387 Changing Maze   13 619 29.57
19
9
27429 Changu Mangu in a Football Team   3 80 20.00
1
34
27450 Changu with subsequences   8 31 37.17
17
24
27267 Changus Final Battle   8 260 54.76
6
16
13806 Chaos In Arkham   1 49 18.71
1
34
4480 Chaos Strings   14 527 30.00
17
22
3108 Charlesbert and Merangelou   71 47.31
8734 Charlie and the Chocolate Factory   1 40 17.65
26
34
17779 Charlie and the Chocolate Factory   4 11.90
7101 Charly And Nito   4 307 36.89
13
17
13626 Charu and Coin Distribution   7 413 41.16
10
20
185 Chase   2 216 24.63
1
26
4010 Chặt cây   8 39.13
17406 Cheating a Boolean Tree   5 113 35.28
23
15
10572 Cheating on the contest   1 24 6.04
17
34
6804 Cheating or Not   16 14.09
13651 Check   3 128 41.41
9
1
6978 Check 1324   4 96 23.09
17
17
7946 Check Ramsey   2 8 39.13
9
9
15555 Check the coprimeness   23 3238 50.33
3
5
15563 Check the string Powers   7 488 28.89
17
17
19151 Checkers   48 53.54
25000 Checking cubes.   4 248 49.92
7
6
10507 Cheese-rolling World Cup   54 33.50

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