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LeetCode--Maximum Depth of Binary Tree

时间:2015-01-14 12:48:35      阅读:249      评论:0      收藏:0      [点我收藏+]

Given a binary tree, find its maximum depth.

The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node.

/**
 * Definition for binary tree
 * struct TreeNode {
 *     int val;
 *     TreeNode *left;
 *     TreeNode *right;
 *     TreeNode(int x) : val(x), left(NULL), right(NULL) {}
 * };
 */
class Solution {
public:
    int maxDepth(TreeNode *root) 
    {
        if(root==NULL)
            return 0;
        int left = maxDepth(root->left);
        int right = maxDepth(root->right);
        return left>right? (left+1) : (right+1);
    }
};


LeetCode--Maximum Depth of Binary Tree

原文:http://blog.csdn.net/shaya118/article/details/42707201

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