Depth First Search (DFS)

PROBLEM DESCR.	SOLUTION	DIFFICULTY	RELATED TOPICS	ADDITIONAL INFO
LeetCode	98. Validate Binary Search Tree	🟠Medium	Tree, Depth-first Search	Problem Set / Algorithms
LeetCode	101. Symmetric Tree	🟢Easy	Tree, Depth-first Search, Breadth-first Search	Problem Set / Algorithms
LeetCode	104. Maximum Depth of Binary Tree	🟢Easy	Tree, Depth-first Search	Problem Set / Algorithms
LeetCode	111. Minimum Depth of Binary Tree	🟢Easy	Tree, Depth-first Search, Breadth-first Search	Problem Set / Algorithms
LeetCode	124. Binary Tree Maximum Path Sum	🔴Hard	Dynamic Programming, Tree, Depth-first Search, Binary Tree	Problem Set / Algorithms
LeetCode	130. Surrounded Regions	🟠Medium	Depth-first Search, Breadth-first Search, Union Find	Problem Set / Algorithms
LeetCode	200. Number of Islands	🟠Medium	Depth-first Search, Breadth-first Search, Union Find	Problem Set / Algorithms
LeetCode	559. Maximum Depth of N-ary Tree	🟢Easy	Depth-first Search, Breadth-first Search	Problem Set / Algorithms
LeetCode	TreasureIsland		Depth-first Search, Breadth-first Search	Interview Question / Amazon
LeetCode	TreasureIslandCenk		Depth-first Search, Breadth-first Search	Interview Question / Amazon