e-olymp

Problems

Complexity
All Problems Very simple Simple Average Difficult Very difficult
Classification
All Problems Combinatorics Comforting task Dynamic programming Game theory Graph theory Long arithmetic Modeling Number theory Probability Test problem Others...
1
Simple problem
35234 / 39514
2
Digits
19859 / 26023
3
Match’s model
2520 / 12237
4
Two circles
6435 / 10555
5
Two factors
1735 / 4534
6
The vouchers
1035 / 1637
7
Roman numerals
2251 / 3182
8
Matches
3432 / 5169
9
N-digit numbers
2470 / 3753
10
Gardener
2393 / 3289
11
Big accuracy
3328 / 5077
12
Injured Picture
634 / 1019
13
Spider and Fly
1224 / 2253
14
Rabbit-failure
1344 / 1802
15
Mouse and corns
2964 / 4069
16
Dragon
1321 / 2125
17
Gardener-painter
2950 / 3807
18
Paint2D
579 / 1239
19
Degree of symmetry
5565 / 6625
20
How many times to repeat?
4221 / 6194
21
Corruption
93 / 1335
22
"Mirror prime" numbers
1994 / 3816
23
New-year tree
669 / 1458
24
Paint2D-Crack
38 / 218
25
Paint3D
441 / 668