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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7737 Escape   54 33.70
7739 Sound   11 448 32.72
20
17
7740 Fence   19 29.23
7741 Sequence   7 802 30.25
11
23
7742 Onotole needs your help   138 10038 41.00
4
11
7745 Bingo!   749 38.70
17
1
7746 Cocircular Points   59 16.57
42
17
7753 Happy Numbers II   3 646 15.90
23
17
7757 Flowers Flourish from France   12 3140 52.98
7
2
7758 Growing Strings   172 31.78
7759 Hyperactive Girl   1 106 39.75
26
26
7760 Kids’ Wishes   1 92 31.74
34
1
7761 Jollo   3 393 40.10
17
9
7762 Electric Needs   1 23 41.30
34
17
7763 Ingenious Metro   66 66.67
7772 Help a researcher   55 46.99
7777 National Treasure   32 38.30
7778 Land Division   1 36 44.38
17
17
7779 Stock Chase   71 29.71
7782 Largest Labeled Common Ancestor   1 204 61.73
7783 Commuting Functions   44 25.22
7804 Defense of a Kingdom   38 4829 25.36
10
12
7805 Kitchen Robot   3 88 31.90
9
9
7807 The Lucky Prisoner   27 9.93
7809 Cow Photographs   2 167 35.77
26
26
7826 Tree Isomorphism   5 498 22.32
19
26
7851 Stacks of Zippy   1 18 17.37
34
34
7857 Tower Game (Hard)   59 15.07
34
34
7859 Upper Right King (Hard)   3 165 36.85
26
34
7860 Deal or No Deal   1 9 42.55
7861 UFO   1 35 30.00
17
17
7862 Prisoner of Benda   23 34.25
7864 Four Chips (Hard)   6 131 30.26
31
17
7866 Regular expressions (Hard)   1 96 24.95
28
23
7868 Join   1 18 50.63
34
17
7870 Invisible point   17 1640 42.95
4
18
7874 Calculator   25 22.60
7875 Miles and kilometers   6 601 46.79
9
9
7881 Ljutnja   3 637 24.24
34
21
7882 Tabovi   2 328 49.62
50
50
7884 Crni   52 53.27
7886 Boards (Hard)   35 34.59
7891 Fibonacci Sequence   97 30.21
34
34
7897 Skyline   11 855 32.44
13
27
7934 Operating System Problems (Task Scheduling)   2 137 56.53
17
17
7946 Check Ramsey   2 8 39.13
9
9
7947 Almost square factorisation   5 120 51.97
8
11
7960 Multiplicative Palindrome   31 31.55
7969 A Knights’ Tale   3 76 23.33
17
17
7970 Jumping Beans   1 58 26.80
17
17

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