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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7761 Jollo   3 396 40.14
17
9
7762 Electric Needs   1 23 41.30
34
17
7763 Ingenious Metro   68 66.26
7772 Help a researcher   61 48.68
7777 National Treasure   32 37.00
7778 Land Division   1 37 40.78
17
17
7779 Stock Chase   73 29.78
17
17
7782 Largest Labeled Common Ancestor   1 206 59.19
7783 Commuting Functions   46 24.69
7804 Defense of a Kingdom   41 5127 25.18
10
12
7805 Kitchen Robot   3 89 32.07
9
9
7807 The Lucky Prisoner   27 9.84
7809 Cow Photographs   2 170 35.79
26
26
7826 Tree Isomorphism   8 583 23.16
19
28
7851 Stacks of Zippy   1 17 16.67
34
34
7857 Tower Game (Hard)   59 15.04
34
34
7859 Upper Right King (Hard)   3 167 36.86
26
34
7860 Deal or No Deal   1 10 40.38
7861 UFO   1 34 28.09
17
17
7862 Prisoner of Benda   23 31.65
7864 Four Chips (Hard)   6 153 30.43
31
17
7866 Regular expressions (Hard)   1 138 26.83
28
23
7868 Join   1 17 46.99
34
17
7870 Invisible point   17 1669 42.90
4
18
7874 Calculator   25 22.30
7875 Miles and kilometers   6 606 46.89
9
9
7881 Ljutnja   3 639 24.23
34
21
7882 Tabovi   3 331 49.25
34
34
7884 Crni   57 55.65
7886 Boards (Hard)   35 34.59
7891 Fibonacci Sequence   100 29.38
34
34
7897 Skyline   13 924 32.57
12
27
7934 Operating System Problems (Task Scheduling)   2 140 55.52
17
17
7946 Check Ramsey   2 8 23.08
9
9
7947 Almost square factorisation   5 122 52.18
8
11
7960 Multiplicative Palindrome   30 27.27
7969 A Knights’ Tale   3 74 22.79
17
17
7970 Jumping Beans   1 58 26.62
17
17
7971 The Cyber Traveling Salesman   1 33 35.19
34
17
7972 World of cubes   34 16.28
7973 Sometimes, a penalty is good!   5 1205 29.54
6
8
7974 What’s Next   52 47760 35.25
2
2
7975 Tri graphs   87 4849 29.10
11
10
7976 Sum the Square   7 557 26.15
12
15
8001 Fibonacci Sum   182 6924 27.82
19
19
8002 Horrible Queries   398 11042 29.76
19
18
8004 Tree Topology   2 83 45.37
1
17
8042 Possible Friends   16 1152 37.03
12
10
8044 Fantastic Discovery   3 311 42.59
14
14
8055 Playground   280 25.94

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