e-olymp
favorite We need a little bit of your help to keep things running, click on this banner to learn more

Problems

Complexity
All Problems Very simple Simple Average Difficult Very difficult
number-theory
All Problems 2-sat algorithms-on-strings articulation-point backtracking beginners bellman-ford-algorithm binary-search bitwise-operators breadth-first-search bridges calculation-system catalan-numbers clique combinatorics connected-components depth-first-search dijkstra-algorithm diophantine-equations dynamic-programming euclid-extended-algorithm Others...
2
Digits
24499 / 31501
5
Two factors
1969 / 5244
27
Cycle shifts
4044 / 4929
33
The favourite numbers of Santa Claus
1611 / 2485
43
Competitors’ quantity of olimpia
2649 / 3624
311
Maximum quantity of figures
103 / 143
605
Красивая таблица результатов
281 / 312
656
Игра умножения
528 / 855
660
Intelligent game Prostokvashino (RU)
156 / 182
752
Ahoy, Pirates!
274 / 370
1001
A + B in the binary system
1080 / 1613
1002
Fraction
27 / 58
1003
Nikifor 2
61 / 94
1004
Забавная игра
429 / 499
1005
Matches for children are not toys!
779 / 1008
1006
Simple arithmetic
141 / 175
1007
The Stern-Brocot Number System
437 / 464
1008
Number systems
251 / 415
1009
2D-Nim
76 / 85
1010
The equality
26 / 42
1012
Coins
89 / 245
1013
Factorial
196 / 299
1016
Octal Fractions
50 / 90
1017
Fractional arithmetic
48 / 84
1018
Expanding Fractions
83 / 97