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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7761 Jollo   3 396 40.05
17
9
7762 Electric Needs   1 24 37.84
34
17
7763 Ingenious Metro   77 67.40
7772 Help a researcher   61 48.68
7777 National Treasure   34 30.95
7778 Land Division   1 38 42.29
17
17
7779 Stock Chase   75 30.00
17
17
7782 Largest Labeled Common Ancestor   1 206 57.24
7783 Commuting Functions   48 25.63
7804 Defense of a Kingdom   41 5181 25.22
10
12
7805 Kitchen Robot   3 89 32.07
9
9
7807 The Lucky Prisoner   27 9.84
7809 Cow Photographs   2 172 35.91
26
26
7826 Tree Isomorphism   8 589 23.27
19
28
7851 Stacks of Zippy   1 18 16.19
34
34
7857 Tower Game (Hard)   60 14.36
34
34
7859 Upper Right King (Hard)   3 169 37.13
26
34
7860 Deal or No Deal   1 11 34.92
7861 UFO   1 38 29.73
17
17
7862 Prisoner of Benda   25 23.93
7864 Four Chips (Hard)   6 158 29.92
31
17
7866 Regular expressions (Hard)   1 139 27.22
28
23
7868 Join   1 19 45.56
34
17
7870 Invisible point   17 1669 42.94
4
18
7874 Calculator   28 23.87
7875 Miles and kilometers   6 609 46.99
9
9
7881 Ljutnja   3 638 24.25
34
21
7882 Tabovi   3 333 49.63
34
34
7884 Crni   58 55.26
7886 Boards (Hard)   37 35.77
7891 Fibonacci Sequence   100 29.38
34
34
7897 Skyline   13 932 32.58
12
27
7934 Operating System Problems (Task Scheduling)   2 140 55.26
17
17
7946 Check Ramsey   2 11 17.39
9
9
7947 Almost square factorisation   5 122 52.29
8
11
7960 Multiplicative Palindrome   33 27.41
7969 A Knights’ Tale   3 76 23.09
17
17
7970 Jumping Beans   1 60 27.09
17
17
7971 The Cyber Traveling Salesman   1 36 35.35
34
17
7972 World of cubes   36 16.61
7973 Sometimes, a penalty is good!   5 1206 29.57
6
8
7974 What’s Next   53 50300 35.49
2
2
7975 Tri graphs   87 4854 29.12
11
10
7976 Sum the Square   7 557 26.15
12
15
8001 Fibonacci Sum   182 6954 27.88
19
19
8002 Horrible Queries   398 11088 29.81
19
18
8004 Tree Topology   2 86 46.36
1
17
8042 Possible Friends   17 1166 37.12
12
10
8044 Fantastic Discovery   3 312 42.68
14
14
8055 Playground   280 25.94

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