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Problems

Complexity
All Problems Very simple Simple Average Difficult Very difficult
graph-theory
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...
34
The word of sponsor
1404 / 1788
37
Mail of the sponsor
1014 / 1253
40
Pipeline (RU)
258 / 462
41
Command of the Mayor
423 / 644
61
Cleaning up the Snow
505 / 606
310
The letter from Prostokvashino (RU)
38 / 63
402
Complete Tree Labeling
20 / 53
431
Counting on Tree
206 / 250
433
Guardian of Decency
10 / 36
434
Romero’s Dilemma
14 / 19
435
Prime Path
94 / 101
468
Tree
485 / 647
569
Поедание сыра
1 / 5
570
The programming competition
10 / 19
610
Ancient manuscripts
748 / 1359
625
Distance between the vertices
609 / 779
626
Hard Test
97 / 107
659
Tree Games
100 / 125
668
Buses and airplanes
23 / 75
673
Kingdom
14 / 61
756
Villages
82 / 102
964
The incidence matrix
636 / 810
974
Floyd - 1
1923 / 2099
975
Floyd
1846 / 2140
976
Floyd - existence
618 / 936