本文同步发布在CSDN:https://blog.csdn.net/weixin_44385565/article/details/93311728 1094 The Largest Generation (25 分) A family hierarchy is usually presented by a pedigree tree where all the nodes on the same level belong to the same generation. Your task…
题目 Suppose that all the keys in a binary tree are distinct positive integers. Given the preorder and inorder traversal sequences, you are supposed to output the first number of the postorder traversal sequence of the corresponding binary tree. Input…
PAT甲级专题-树的遍历 涉及知识点:树.建树.深度优先搜索.广度优先搜索.递归 甲级PTA 1004 输出每一层的结点,邻接表vector建树后.用dfs.bfs都可以边搜边存当前层的数据, #include<bits/stdc++.h> using namespace std; const int maxn = 110; int n, m; vector<int> g[maxn]; int ans[maxn]; int deep = 0; void dfs(int x, int…