随笔分类 -  Tree

LC 1569. Number of Ways to Reorder Array to Get Same BST
摘要：link class Solution { public: #define LL long long const int mod=1E9+7; vector<vector<LL>> table; int numOfWays(vector<int>& nums) { int n=nums.size() 阅读全文
posted @ 2020-08-30 17:10 feibilun 阅读(272) 评论(0) 推荐(0)
LC 428. Serialize and Deserialize N-ary Tree
摘要：Link /* // Definition for a Node. class Node { public: int val; vector<Node*> children; Node() {} Node(int _val) { val = _val; } Node(int _val, vector 阅读全文
posted @ 2020-02-17 12:08 feibilun 阅读(133) 评论(0) 推荐(0)