十七

leetcode133. 克隆图

class Solution {public: unordered_map<Node*,Node*>mp; Node* cloneGraph(Node* node) { if(!node)return nullptr; if(mp.find(nod

十七 Published on 2022-03-15

leetcode129. 求根节点到叶节点数字之和

class Solution {public: int dfs(TreeNode* root,int u){ if(!root)return 0; u=u*10+root->val; if(!root->left&&!roo

十七 Published on 2022-03-14
Previous Next