/**
* Definition for a binary tree node.
* struct TreeNode {
* int val;
* TreeNode *left;
* TreeNode *right;
* TreeNode(int x) : val(x), left(NULL), right(NULL) {}
* };
*/
class Solution {
public:
int minDepth(TreeNode* root) {
if(!root)
return 0;
if(!root->left&&!root->right)
return 1;
if(!root->right)
return minDepth(root->left)+1;
if(!root->left)
return minDepth(root->right)+1;
return min(minDepth(root->left),minDepth(root->right))+1;
}
};
leetcode 111: Minimum Depth of Binary Tree
最新推荐文章于 2023-05-05 15:23:35 发布