Grokking Tree Coding Patterns for Interviews
Ask Author
Back to course home

0% completed

Solution: Minimum Depth of a Binary Tree
Table of Contents

Contents are not accessible

Contents are not accessible

Contents are not accessible

Contents are not accessible

Contents are not accessible

Problem Statement

Given a root of the binary tree, find the minimum depth of a binary tree.

The minimum depth is the number of nodes along the shortest path from the root node to the nearest leaf node.

Examples

Example 1

Example 2

Constraints:

  • The number of nodes in the tree is in the range [0, 10<sup>5</sup>].
  • -1000 <= Node.val <= 1000

Solution

To solve this problem, we use a Breadth-First Search (BFS) approach to find the minimum depth of a binary tree

.....

.....

.....

Like the course? Get enrolled and start learning!

Table of Contents

Contents are not accessible

Contents are not accessible

Contents are not accessible

Contents are not accessible

Contents are not accessible