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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
8177 Beautiful numbers EXTREME   -2 291 27.46
26
9
8139 Chairs   8 565 37.77
12
20
8132 Street Trees   33 3081 47.00
6
11
8129 Sky Lift   2 142 25.60
24
19
8119 CIRU2   1 175 36.22
34
34
8108 POLYU   36 26.76
8106 Normalized Form   6 278 36.76
17
17
8105 Dot Product Maximization   3 80 16.63
17
17
8104 Friendly Knights   151 45.76
8100 Shifting Lights   2 229 31.20
17
17
8099 Crash´s number table   1 188 23.45
34
34
8097 Islands   73 46.82
8093 Sevenk Love Oimaster   2 579 24.56
28
28
8075 Sequence   3 59 26.63
39
39
8074 God of Number Theory   1 35 37.10
34
50
8073 The area of the union of circles   1 468 20.51
38
30
8064 Mixing Chemicals   2 187 24.16
26
34
8063 Dividing Stones   2 167 26.30
17
17
8062 Shopping Rush   73 63.26
8061 Christmas Play   57 7792 48.26
6
4
8059 Stocks Prediction   1 91 33.33
17
34
8058 Soccer Teams   1 144 25.54
17
26
8057 Square Free Factorization   16 1446 41.59
7
15
8056 Regex Edit Distance   2 36 43.00
34
42
8055 Playground   280 25.94
8044 Fantastic Discovery   3 314 42.70
14
14
8042 Possible Friends   17 1190 37.20
12
10
8004 Tree Topology   2 87 46.61
1
17
8002 Horrible Queries   399 11158 29.80
19
18
8001 Fibonacci Sum   182 6995 27.96
19
19
7976 Sum the Square   7 560 26.24
12
15
7975 Tri graphs   87 4871 29.13
11
10
7974 What’s Next   53 51560 35.40
2
2
7973 Sometimes, a penalty is good!   5 1207 29.59
6
8
7972 World of cubes   37 16.88
7971 The Cyber Traveling Salesman   1 38 36.00
34
17
7970 Jumping Beans   1 63 27.96
17
17
7969 A Knights’ Tale   3 80 22.93
17
17
7960 Multiplicative Palindrome   34 27.78
7947 Almost square factorisation   5 123 52.29
8
11
7946 Check Ramsey   2 13 19.48
9
9
7934 Operating System Problems (Task Scheduling)   2 142 53.65
17
17
7897 Skyline   13 949 32.61
12
27
7891 Fibonacci Sequence   102 30.56
34
34
7886 Boards (Hard)   40 37.14
7884 Crni   60 55.93
7882 Tabovi   3 333 49.56
34
34
7881 Ljutnja   3 641 24.32
34
21
7875 Miles and kilometers   6 612 47.06
9
9
7874 Calculator   29 24.36

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