e-olymp
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Problems

Simple
All Problems Very simple Simple Average Difficult Very difficult
Classification
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...
1
Simple problem
42765 / 47853
2
Digits
24386 / 31351
7
Roman numerals
2647 / 3759
10
Gardener
2756 / 3777
14
Rabbit-failure
1555 / 2082
15
Mouse and corns
3598 / 4792
17
Gardener-painter
3491 / 4497
19
Degree of symmetry
6607 / 7847
26
New-year presents
981 / 1356
27
Cycle shifts
4024 / 4910
29
The level of palindrome
1995 / 2800
31
Superstitious Santa Claus
1139 / 1355
34
The word of sponsor
1141 / 1489
36
Gorynych the Dragon
1173 / 1670
37
Mail of the sponsor
796 / 1023
39
Sponsor’s money
401 / 563
43
Competitors’ quantity of olimpia
2640 / 3611
46
The Segments
1235 / 1600
47
The Parquet of the Triangles
560 / 737
50
The cut number
354 / 493
51
The Cost of the K-dominoes
764 / 893
52
The Cheese for Anfisa
763 / 954
57
The Butterfly – Medical Attendan
3463 / 3857
58
The Billiards
956 / 1294
60
Area of a Polygon
2389 / 3044