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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
71 Tree   3 447 28.56
12
9
90 Minimizing maximizer   3 365 24.96
17
26
98 Dance Floor   3 716 40.30
12
12
105 Alice and Bob   3 166 27.17
42
42
106 Binary Stirling Numbers   3 2622 36.55
4
17
148 Land for Motorways   3 206 41.94
17
17
149 Fencing in the Sheep   3 94 12.39
34
17
260 Containers   3 290 45.92
17
14
287 Smart Network Administrator   3 446 23.49
23
28
344 Poker   3 891 37.48
17
9
397 I Conduit   3 190 15.40
21
21
685 Partition the sequence   3 230 21.06
23
34
869 Galactic Import   3 139 45.56
6
6
871 Letter Sequence Analysis   3 106 42.68
26
9
904 Image Perimeters   3 331 59.44
17
17
967 Parking Bay   3 553 49.25
12
23
1003 Little Quilt   3 168 39.78
26
13
1268 CN Tower (Easy)   3 1107 30.64
8
6
1448 3D Cover   3 91 26.87
34
26
1461 Greedy Hydra   3 193 33.50
27
30
1470 Another Sequence Problem   3 186 24.42
43
27
1475 Play with Digit Seven   3 121 36.43
34
14
1553 Backup Files   3 765 19.57
9
42
1723 Bee Maja   3 557 53.51
17
21
1776 DNA Laboratory   3 108 11.19
34
23
1802 Edge   3 416 59.65
6
12
1843 Leonardo Notebook   3 359 33.99
17
34
1960 Rectangles   3 163 16.38
34
28
2051 Cell Phone   3 158 31.25
30
37
2127 Rain   3 431 40.31
17
14
2138 Pibonacci   3 43 14.58
26
39
2139 Gossipers   3 590 31.74
21
26
2175 Emoticons   3 328 21.95
23
28
2525 Encoding   3 744 29.02
12
12
2527 Flipping Burned Pancakes   3 258 52.38
17
17
3007 Oil Company   3 178 25.08
23
28
3023 Binary multiplication   3 226 25.00
17
17
3106 Dictionary Subsequences   3 162 18.20
17
17
3110 Palindromic Number   3 94 20.15
9
17
3111 Stabards   3 160 43.10
12
23
3133 Here We Go(relians) Again   3 168 40.22
12
12
3253 Electronic Document Security   3 149 60.78
23
6
3385 Yoda Goes Palindromic !   3 581 30.45
17
17
3389 The Knights of the Round Circle   3 441 67.25
6
23
3459 SkyScrapers   3 350 38.71
17
17
3464 Clock   3 47 35.23
34
9
3484 Crossbits   3 97 14.78
23
15
3565 Choosing Gloves   3 84 22.88
17
34
3576 Boy Scouts   3 142 28.57
21
30
3577 Parity   3 77 19.52
17
34

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