Class Solution
java.lang.Object
g0401_0500.s0404_sum_of_left_leaves.Solution
public class Solution
extends java.lang.Object
404 - Sum of Left Leaves.
Easy
Given the root
of a binary tree, return the sum of all left leaves.
Example 1:
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
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Constructor Summary
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Method Summary
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Constructor Details
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Solution
public Solution()
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Method Details
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sumOfLeftLeaves
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