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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7761 Jollo   3 396 40.19
17
9
7762 Electric Needs   1 24 37.84
34
17
7763 Ingenious Metro   70 66.67
7772 Help a researcher   61 48.68
7777 National Treasure   31 34.65
7778 Land Division   1 38 42.29
17
17
7779 Stock Chase   73 29.69
17
17
7782 Largest Labeled Common Ancestor   1 206 57.24
7783 Commuting Functions   46 24.69
7804 Defense of a Kingdom   41 5160 25.20
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   8 586 23.21
19
28
7851 Stacks of Zippy   1 17 16.22
34
34
7857 Tower Game (Hard)   59 14.42
34
34
7859 Upper Right King (Hard)   3 167 36.95
26
34
7860 Deal or No Deal   1 10 34.43
7861 UFO   1 35 28.73
17
17
7862 Prisoner of Benda   24 23.48
7864 Four Chips (Hard)   6 156 30.38
31
17
7866 Regular expressions (Hard)   1 138 27.27
28
23
7868 Join   1 17 46.99
34
17
7870 Invisible point   17 1668 42.93
4
18
7874 Calculator   27 23.03
7875 Miles and kilometers   6 608 46.95
9
9
7881 Ljutnja   3 638 24.25
34
21
7882 Tabovi   3 333 49.63
34
34
7884 Crni   57 55.36
7886 Boards (Hard)   35 34.59
7891 Fibonacci Sequence   100 29.38
34
34
7897 Skyline   13 931 32.57
12
27
7934 Operating System Problems (Task Scheduling)   2 140 55.26
17
17
7946 Check Ramsey   2 9 16.39
9
9
7947 Almost square factorisation   5 122 52.29
8
11
7960 Multiplicative Palindrome   33 29.19
7969 A Knights’ Tale   3 74 22.79
17
17
7970 Jumping Beans   1 58 26.26
17
17
7971 The Cyber Traveling Salesman   1 33 35.19
34
17
7972 World of cubes   34 15.86
7973 Sometimes, a penalty is good!   5 1205 29.56
6
8
7974 What’s Next   53 48201 35.25
2
2
7975 Tri graphs   87 4851 29.12
11
10
7976 Sum the Square   7 557 26.15
12
15
8001 Fibonacci Sum   182 6940 27.85
19
19
8002 Horrible Queries   398 11072 29.79
19
18
8004 Tree Topology   2 83 45.37
1
17
8042 Possible Friends   17 1159 37.09
12
10
8044 Fantastic Discovery   3 311 42.59
14
14
8055 Playground   280 25.94

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