ID NAME QUALITY USERS ACC % DIFFICULTY C I
42 Adding Reversed Numbers   78 49689
6
4
35302 Arithmetic or Geometric ?   0
25942 Ball sum   35 1400
11
11
30826 Bernoulli numbers   3 5
23
12
24998 PLAYING WITH BITS   31 578
13
13
36670 Bipartite Permutation   6 50
12
20
17921 XOR   -17 4593
1
1
18294 Problem1   53
1
1
26314 Corn Headache   7 298
8
9
34620 Crying Series   1 42
1
5
27269 Cube Numbers   26 545
9
11
22403 Divisors of factorial   56 1342
14
14
36267 Evan found an egg   14
27299 Find Log   1 83
1
1
25311 Candies   6 877
6
7
32445 COUNT JUMPS   1 69
4
1
25583 Easy Odd Sum   3 1109
2
2
35294 Tricky Means   20
17
1
31 Fast Multiplication   39 4534
14
12
16272 Nanoworld   1 36
17
17
25008 New Currency Shopping   1 8
34
17
35994 Plabon the rich man   14
35296 Prime or not Prime!   138
1
1
35993 Simple Sum   133
15708 Divisibility   11 5120
4
3
17104 Fun with Sequences (Act 3)   1 1123
1
1
17126 Fun with Sequences (Act 4)   2 588
1
1
17481 Fun with Sequences (Act 5)   434
1
1
18011 Fun with Sequences (Act 6)   544
1
1
18012 Fun with Sequences (Act 7)   459
1
1
176 Sum of one-sequence   5 630
11
27
35303 Sum of GCD   0
22455 SUM OF PRODUCT   30 879
19
21
35293 Sums to calculate   1 60
1
1
35297 Trial Division   19
17
1
235 Very Fast Multiplication   18 891
27
22

#simple-math

The problem involves but simple mathematical concepts like arithmetic operations

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