mykstar

摘要： Maximum Depth of Binary TreeGiven 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; *... 阅读全文

摘要： class Solution {public: int singleNumber(int A[], int n) { int rlt=0; for(int i=0;i<n;i++) { rlt = rlt ^ A[i]; } return rlt; }}; 阅读全文