Depth-first Search
Problems on depth-first search, including connected components, cycle detection, entry and exit times, bridges and articulation points, strongly connected components, topological sorting, and traversals of trees and grids.
The Graphs section of the library covers depth-first search, connected components, cycle detection, strongly connected components and topological sort. Related problem sets are under Graphs and Trees.
Problems
Moocast (Silver)#10561
Medium
Delegation (Platinum)#10605
Very hard
Decoration#10728
Very hard
Typical ICPC Problem#10827
Very hard
One Piece#10889
Very hard
Come and Go#10999
Medium
Lumberjack villages#11033
Very hard
Jellyfish#11101
Very hard
Cactus#11105
Very hard
Social Distancing#11106
Very hard
Bridges#11126
Hard
Cyber hack#11149
Very easy
Kefa and Park#11153
Very easy
Max Flow#11163
Easy
Grass Cownoisseur#11194
Very hard
Paint by Letters#11206
Very hard
Directed graph - timestamps#11243
Very easy
Even Tree#11263
Very easy