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Problems

Complexity
All Problems Very simple Simple Average Difficult Very difficult
simple-mathematics
All Problems ---topological-sort- ---traveling-salesman-problem- -three- 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 Others...
1
Simple problem
46986 / 52496
3
Match’s model
3410 / 16053
58
The Billiards
1039 / 1397
63
Anfisa and the flowers
6357 / 7559
67
Cheese for Anfisa - 2
3711 / 4167
109
Page numbering
3247 / 4484
111
Clocks
1401 / 2115
116
Long number (RU)
621 / 1088
117
Raft
1092 / 1354
119
Degree of two
1767 / 2356
127
Dollars in bank
2340 / 3182
132
Broken line (RU)
82 / 249
133
Square and points (RU)
5954 / 6626
140
Financial pyramid (RU)
830 / 1090
186
Egyptian symbols
552 / 741
219
Central heating
5310 / 6267
255
License Software
2010 / 2557
273
Modular Exponentiation
4115 / 5283
583
Airplane (RU)
154 / 540
933
The sum of digits of a two-digit number
7950 / 9845
935
Decomposition of three digit number
11104 / 12608
936
Cramer's Formula
1933 / 2475
937
Product of Array Except Self
3868 / 5282
942
Diagonals
3162 / 3492
1005
Matches for children are not toys!
828 / 1076