list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7758 Growing Strings   176 32.39
7759 Hyperactive Girl   1 111 39.94
26
26
7760 Kids’ Wishes   1 95 31.93
34
1
7761 Jollo   3 398 40.15
17
9
7762 Electric Needs   1 25 38.00
34
17
7763 Ingenious Metro   84 66.84
7772 Help a researcher   62 48.95
7777 National Treasure   35 31.50
7778 Land Division   1 40 43.50
17
17
7779 Stock Chase   76 30.19
17
17
7782 Largest Labeled Common Ancestor   1 208 57.44
7783 Commuting Functions   49 25.94
7804 Defense of a Kingdom   41 5231 25.17
10
12
7805 Kitchen Robot   3 90 32.24
9
9
7807 The Lucky Prisoner   27 9.84
7809 Cow Photographs   2 173 36.01
26
26
7826 Tree Isomorphism   10 621 23.64
19
27
7851 Stacks of Zippy   1 19 16.41
34
34
7857 Tower Game (Hard)   62 14.63
34
34
7859 Upper Right King (Hard)   3 171 37.39
26
34
7860 Deal or No Deal   1 13 30.77
7861 UFO   1 41 30.21
17
17
7862 Prisoner of Benda   27 25.83
7864 Four Chips (Hard)   6 167 30.35
31
17
7866 Regular expressions (Hard)   1 140 27.33
28
23
7868 Join   1 21 47.31
34
17
7870 Invisible point   17 1671 42.96
4
18
7874 Calculator   29 24.36
7875 Miles and kilometers   6 612 47.06
9
9
7881 Ljutnja   3 641 24.32
34
21
7882 Tabovi   3 333 49.50
34
34
7884 Crni   60 55.93
7886 Boards (Hard)   40 37.14
7891 Fibonacci Sequence   102 30.56
34
34
7897 Skyline   13 949 32.61
12
27
7946 Check Ramsey   2 13 19.48
9
9
7947 Almost square factorisation   5 123 52.29
8
11
7960 Multiplicative Palindrome   34 27.78
7969 A Knights’ Tale   3 80 22.93
17
17
7970 Jumping Beans   1 63 27.96
17
17
7971 The Cyber Traveling Salesman   1 38 36.00
34
17
7972 World of cubes   37 16.88
7973 Sometimes, a penalty is good!   5 1207 29.59
6
8
7974 What’s Next   53 51911 35.42
2
2
7975 Tri graphs   87 4871 29.13
11
10
7976 Sum the Square   7 560 26.24
12
15
8001 Fibonacci Sum   182 6995 27.96
19
19
8002 Horrible Queries   399 11160 29.81
19
18
8004 Tree Topology   2 87 46.61
1
17
8055 Playground   280 25.94

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