js
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/**
* Definition for a binary tree node.
* function TreeNode(val, left, right) {
* this.val = (val===undefined ? 0 : val)
* this.left = (left===undefined ? null : left)
* this.right = (right===undefined ? null : right)
* }
*/
/**
* @param {TreeNode} root
* @return {number}
*/
var findBottomLeftValue = function(root) {
let q = [root]
let node = root
while(q.length){
node = q.shift()
if(node.right)
q.push(node.right)
if(node.left)
q.push(node.left)
}
return node.val
};
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执行用时分布
75ms
击败30.26%
消耗内存分布
57.21MB
击败73.68%
参考链接
513. 找树左下角的值