ID NAME QUALITY USERS ACC % DIFFICULTY C I
42 Adding Reversed Numbers   93 56092
6
4
25942 Ball sum   40 1577
11
11
30826 Bernoulli numbers   4 6
23
12
24998 PLAYING WITH BITS   33 657
13
13
36670 Bipartite Permutation   10 278
6
16
17921 XOR   -15 5632
1
1
18294 Problem1   1 66
1
6
26314 Corn Headache   7 320
8
9
34620 Crying Series   1 66
1
5
27269 Cube Numbers   29 574
9
11
22403 Divisors of factorial   63 1554
14
14
27299 Find Log   1 100
1
1
25311 Candies   7 943
6
7
32445 COUNT JUMPS   1 79
4
1
25583 Easy Odd Sum   4 1327
3
3
35294 Tricky Means   175
17
1
31 Fast Multiplication   46 5531
15
12
16272 Nanoworld   1 37
17
17
25008 New Currency Shopping   1 9
34
17
36963 Nobabs Treasure Hunt   -1 41
1
1
35296 Prime or not Prime!   1 340
1
1
15708 Divisibility   13 6073
4
3
17104 Fun with Sequences (Act 3)   2 1462
1
1
17126 Fun with Sequences (Act 4)   2 684
1
1
17481 Fun with Sequences (Act 5)   509
1
1
18011 Fun with Sequences (Act 6)   645
1
1
18012 Fun with Sequences (Act 7)   551
1
1
176 Sum of one-sequence   5 637
11
27
22455 SUM OF PRODUCT   32 934
19
21
35293 Sums to calculate   2 274
1
1
35297 Trial Division   1 53
17
1
235 Very Fast Multiplication   22 980
26
22

#simple-math

The problem involves but simple mathematical concepts like arithmetic operations

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