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
34738 / 38934
2
Digits
19543 / 25625
3
Match’s model
2471 / 12046
4
Two circles
6368 / 10452
5
Two factors
1704 / 4459
6
The vouchers
1019 / 1614
7
Roman numerals
2209 / 3124
8
Matches
3396 / 5112
9
N-digit numbers
2454 / 3715
10
Gardener
2374 / 3259
11
Big accuracy
3303 / 5024
12
Injured Picture
628 / 1006
13
Spider and Fly
1206 / 2221
14
Rabbit-failure
1324 / 1776
15
Mouse and corns
2940 / 4025
16
Dragon
1315 / 2114
17
Gardener-painter
2933 / 3783
18
Paint2D
571 / 1221
19
Degree of symmetry
5478 / 6534
20
How many times to repeat?
4182 / 6133
21
Corruption
93 / 1312
22
"Mirror prime" numbers
1954 / 3765
23
New-year tree
662 / 1437
24
Paint2D-Crack
38 / 215
25
Paint3D
436 / 662