list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
31 Fast Multiplication   48 8596 20.63
15
12
42 Adding Reversed Numbers   103 75735 48.42
6
4
176 Sum of one-sequence   5 664 33.64
11
27
235 Very Fast Multiplication   22 1243 27.92
26
22
16272 Nanoworld   1 38 30.80
17
17
22403 Divisors of factorial   70 1906 29.89
14
14
22455 SUM OF PRODUCT   34 1038 17.90
18
20
24998 PLAYING WITH BITS   34 772 22.14
13
13
25311 Candies   9 1073 35.69
6
7
25942 Ball sum   42 1770 35.64
11
11
26314 Corn Headache   7 352 35.77
8
9
27269 Cube Numbers   29 604 30.83
9
11
30826 Bernoulli numbers   4 7 20.88
23
12
36670 Bipartite Permutation   14 349 46.71
6
15

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