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404. Sum of Left Leaves #12

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F4NT0 opened this issue Apr 20, 2024 · 0 comments
Open

404. Sum of Left Leaves #12

F4NT0 opened this issue Apr 20, 2024 · 0 comments
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Easy Easy Questions Ready to code Description from the Question was updated with code and text
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April Leetcode

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F4NT0 commented Apr 20, 2024 •
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Given the root of a binary tree, return the sum of all left leaves.

A leaf is a node with no children. A left leaf is a leaf that is the left child of another node.

Example 1:

image

  • Input: root = [3,9,20,null,null,15,7]
  • Output: 24
  • Explanation: There are two left leaves in the binary tree, with values 9 and 15 respectively.

Example 2:

  • Input: root = [1]
  • Output: 0

Constraints:

  • The number of nodes in the tree is in the range [1, 1000].
  • -1000 <= Node.val <= 1000
@F4NT0 F4NT0 added the Easy Easy Questions label Apr 20, 2024
@F4NT0 F4NT0 added this to the April Leetcode milestone Apr 20, 2024
@F4NT0 F4NT0 self-assigned this Apr 20, 2024
@F4NT0 F4NT0 added the Ready to code Description from the Question was updated with code and text label Apr 30, 2024
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