Grokking the Coding Interview: Patterns for Coding Questions
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Minimum Depth of a Binary Tree (easy)

Problem Statement

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.

Example 1:

Example 2:


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

Try it yourself

Try solving this question here:




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