Graphs

Problems on traversal, connectivity, and ordering over graphs.

Showing 4 of 4 problems

			Tags
200	Number of Islands	Medium	GraphDFSBFS
207	Course Schedule	Medium	GraphBFSTopological Sort
695	Max Area of Island	Medium	GraphDFS
994	Rotting Oranges	Medium	BFSGraph

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70. Climbing Stairs

You are climbing a staircase. It takes n steps to reach the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top?

200. Number of Islands

Count the number of distinct islands in a 2D grid.