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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
8785 Cut the Silver Bar   52 5382 54.42
5
16
92 Cutting off Squares   -1 266 40.31
1
1
67 Cutting out   2 303 40.85
30
27
3877 Cvjetici   18 986 48.67
12
21
23541 CWC-2015   8 152 18.25
17
17
10107 Cybercrime Donut Investigation   2 56 25.17
34
42
34327 Cyclic Counting Gamble   17 12.84
1681 Cylinder   2 927 38.24
9
26
7558 D - Alphabetomials   14 41.46
6694 D - Playing with Marbles   18 3504 66.68
3
5
3267 D-query   461 14004 28.61
19
23
2008 Dab of Backpack   17 674 23.80
21
17
26845 Daenerys wants to Conquer   2 10 48.48
42
42
98 Dance Floor   3 727 40.34
12
12
14955 Dancing Cows   24 597 24.92
15
22
22529 Dandiya Night and Violence   10 61 37.24
9
12
11948 Dark Assault   1 31 30.47
17
17
15650 Dark roads   27 1577 36.55
10
10
10073 Darts   1 37 60.00
11374 Database   11 2102 34.28
6
6
12326 Dating Rishi   8 637 36.27
17
26
15215 David and his Obsession   5 429 41.23
12
9
11443 Davids Greed   3 253 26.22
28
19
15244 Davids Quest   2 44 46.15
26
17
17396 Dazzling Pearls   19 17.19
50
17
9331 DCD   64 52.07
17
1
1166 Dead Fraction   324 23.42
12
17
13622 Dead Pixels   25 22.70
7860 Deal or No Deal   1 13 30.77
6297 Decipher   -1 4008 44.70
8
6
14435 Decipher the AMSCO cipher   2 96 59.18
17
5015 Decode the Castanets   36 40.68
2853 Decode the Strings   5 432 39.64
15
17
2526 Decoding   9 1041 36.51
23
15
108 Decoding Morse Sequences   7 973 25.04
24
17
10594 Decoding Number Stations with Dr Whooves   2 61 28.05
9
26
16138 Deconnecting   1 62 31.22
1
9
382 Decorate the wall   216 34.95
1
17
11935 Decorating the Palace   23 40.62
10877 Decoys and Diversions   49 18.97
9
17
25780 Decreasing Number of Visible Box   18 253 39.68
16
16
16480 Decrypt the message !   3 1046 36.98
8
4
15285 Defend The Rohan   23 1356 43.36
6
10
7804 Defense of a Kingdom   41 5236 25.17
10
12
25236 Defense of a kingdom 2   3 119 45.51
1
9
32103 Degree of a Tree   15 231 30.62
13
12
5145 Déjà vu   17 14.94
409 DEL Command   1 79 17.60
17
17
1444 DEL Command II   41 9.82
17
34
2159 Delicious Cake   30 14.64

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