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
35935 / 40294
2
Digits
20204 / 26457
3
Match’s model
2574 / 12461
4
Two circles
6562 / 10733
5
Two factors
1763 / 4617
6
The vouchers
1058 / 1670
7
Roman numerals
2283 / 3229
8
Matches
3479 / 5238
9
N-digit numbers
2521 / 3825
10
Gardener
2428 / 3337
11
Big accuracy
3357 / 5155
12
Injured Picture
650 / 1039
13
Spider and Fly
1264 / 2303
14
Rabbit-failure
1360 / 1823
15
Mouse and corns
3054 / 4176
16
Dragon
1339 / 2153
17
Gardener-painter
2994 / 3866
18
Paint2D
598 / 1277
19
Degree of symmetry
5636 / 6724
20
How many times to repeat?
4275 / 6271
21
Corruption
93 / 1364
22
"Mirror prime" numbers
2064 / 3913
23
New-year tree
676 / 1476
24
Paint2D-Crack
38 / 226
25
Paint3D
453 / 684