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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
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
8056 Regex Edit Distance   2 36 43.00
34
42
8057 Square Free Factorization   16 1446 41.59
7
15
8058 Soccer Teams   1 144 25.54
17
26
8059 Stocks Prediction   1 91 33.33
17
34
8061 Christmas Play   57 7793 48.26
6
4
8062 Shopping Rush   73 63.26
8063 Dividing Stones   2 167 26.30
17
17
8064 Mixing Chemicals   2 187 24.16
26
34
8073 The area of the union of circles   1 469 20.52
38
30
8074 God of Number Theory   1 35 37.10
34
50
8075 Sequence   3 59 26.63
39
39
8093 Sevenk Love Oimaster   2 580 24.55
28
28
8097 Islands   73 46.82
8100 Shifting Lights   2 229 31.20
17
17
8104 Friendly Knights   151 45.76
8105 Dot Product Maximization   3 80 16.63
17
17
8106 Normalized Form   6 278 36.76
17
17
8108 POLYU   36 26.76
8119 CIRU2   1 175 36.22
34
34
8129 Sky Lift   2 142 25.60
24
19
8132 Street Trees   33 3081 47.00
6
11
8139 Chairs   8 565 37.77
12
20
8177 Beautiful numbers EXTREME   -2 291 27.46
26
9
8184 Bureaucracy   2 571 29.72
6
17
8189 Circles On A Screen   83 28.67
8217 XOR Maximization   48 1753 23.15
17
28
8222 Substrings   7 1325 30.13
24
27
8238 N-Factorful   72 2794 26.82
18
17
8265 Zero Count   1 15 12.03
50
17
8277 Number of Prime Strings   3 112 19.95
23
28
8281 Combination Of Integers   1 69 29.49
17
17
8282 Distance   52 23.74
8283 Non-Decreasing Numbers   2 31 20.49
50
50
8284 Weighted Sum   6 516 17.89
9
13
8285 Rectangles in a Matrix   2 7 17.11
17
34
8286 Perfect Matching   92 19.19
1
17

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