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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
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 4821 25.34
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   5 497 22.33
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   3 636 24.22
34
21
7882 Tabovi   2 327 49.56
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
7971 The Cyber Traveling Salesman   1 33 36.20
34
17
7972 World of cubes   34 17.42
7973 Sometimes, a penalty is good!   4 1196 29.41
5
5
7974 What’s Next   51 39904 35.30
2
2
7975 Tri graphs   86 4825 29.07
11
10
7976 Sum the Square   7 534 25.79
12
15
8001 Fibonacci Sum   177 6750 27.69
19
19
8002 Horrible Queries   396 10701 29.43
19
18
8004 Tree Topology   2 81 44.81
1
17
8042 Possible Friends   16 1113 37.02
12
10
8044 Fantastic Discovery   3 305 42.55
14
14
8055 Playground   276 25.75
8056 Regex Edit Distance   1 32 43.16
34
34

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