list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
36529 Challenge Accepted!   1 47 29.05
17
17
16208 Challenge Accepted   2 24 21.34
17
17
8139 Chairs   8 565 37.77
12
20
3347 Cestarine   64 29.10
14845 Center of Mass   2 136 26.73
17
1
7239 Cells   3 81 47.22
17
9
2051 Cell Phone   4 161 31.43
28
36
27094 Ceiling Function   3 149 44.52
9
12
3361 Cavli   1 43 43.20
17
17
272 Cave Exploration   43 10.19
17
1
7589 Cave Crisis   13 54.84
15892 Cave   1 16 16.42
17
34
3678 Cattle Bruisers   91 26.33
28164 Cats Invitation   7 84 28.90
21
15
33019 Catering Contracts   7 93 34.31
23
27
6917 Catch Sheep   2 40 25.41
34
34
4318 Catch Fish   11 508 33.21
21
26
8952 Catapult that ball   34 3212 26.34
12
12
25960 Cat and Mouse I   61 15.60
3010 Castle Wall   26 20.15
18511 Cartman and Butters Game   22 29.17
23538 Carina   2 21 12.11
34
17
1797 Cardsharper   2 7 22.06
34
45
4390 Cards shuffing   2 123 27.18
26
21
10509 Cards   78 13539 34.03
4
4
1108 Card Trick   68 2247 50.40
21
24
4053 Card Sorting   26 696 43.66
22
27
9723 Card Shuffling   41 26.23
13523 Card Meets (medium)   7 56 29.43
17
21
13577 Card Game   13 503 24.51
14
16
27320 Card Game   13 359 38.80
9
14
18945 Car with powers   11 308 29.73
23
20
2173 Car Plates Competition   1 261 42.05
17
17
20977 Car Game   7 51 33.80
15
17
5672 Captain Selection   -1 10 26.42
11871 Captain Qs Treasure   13 63.64
26187 Captain Claw   60 23.64
17
12
10452 Caprica Cities   3 165 38.31
26
17
6818 Capital City   95 2973 39.57
20
20
10095 Caper Pizza   29 26.47
12366 Cantor   9 209 46.83
22
22
34484 Candy pair   7 64 42.15
15
22
2902 Candy IV   33 46.46
50
34
2148 Candy III   54 20558 25.33
9
5
2136 Candy II   2 613 46.00
17
17
2123 Candy I   99 29124 44.23
4
5
10442 Candy Distribution   22 3931 37.55
2
4
4182 Candy (Again)   2 236 18.78
34
34
3407 Candy   31 1371 42.66
12
20
8995 CANDY   9 1347 38.35
8
6

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