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
22392 / 29052
5
Two factors
1877 / 4960
27
Cycle shifts
3772 / 4630
33
The favourite numbers of Santa Claus
1553 / 2378
43
Competitors’ quantity of olimpia
2531 / 3458
311
Maximum quantity of figures
101 / 136
605
Красивая таблица результатов
268 / 296
656
Игра умножения
516 / 836
660
Intelligent game Prostokvashino (RU)
154 / 180
752
Ahoy, Pirates!
266 / 360
1001
A + B in the binary system
1020 / 1536
1002
Fraction
26 / 57
1003
Nikifor 2
60 / 93
1004
Забавная игра
419 / 487
1005
Matches for children are not toys!
754 / 970
1006
Simple arithmetic
135 / 165
1007
The Stern-Brocot Number System
423 / 450
1008
Number systems
226 / 384
1009
2D-Nim
69 / 78
1010
The equality
26 / 42
1012
Coins
74 / 198
1013
Factorial
191 / 284
1016
Octal Fractions
45 / 78
1017
Fractional arithmetic
46 / 78
1018
Expanding Fractions
76 / 90