vector<vector<int>>v;intn,m;intmaxl=-1;intleaves[101];voiddfs(intnode,intl) {if(v[node].size() ==0) { leaves[l]++; maxl=max(l,maxl);return; }for(inti =0;i<v[node].size();i++) { dfs(v[node][i],l+1); } }intmain() { scanf("%d %d",&n,&m); memset(leaves...
}else{for(inti=0;i>n>>m;for(inti=0;i<m;i++){ cin>>node>>k;intt;for(intj=0;j<k;j++){ cin>>t; p[node].push_back(t); } } dfs(1,1); cout<<vis[1];for(inti=2;i<=maxn;i++){ cout<<""<<vis[i]; } cout<<endl;return0; } bfs遍历求树 1#include<bits/stdc++....
vector容器封装树孩子节点 递归更新每一层叶子节点个数、树的最大深度 前提条件 For the sake of simplicity, let us fix the root ID to be 01. 知识盲点,学习ing,熟练耗时30分钟进军100分 测试用例 input: 21 01102 output: 01 input: 10 output: 1 1. 2. 3. 4. 5....
每个输入文件包含一个测试用例。每个案例以包含0 <N <100(树中节点数)和M(<N)(非叶节点数)的行开头。 然后接下来的M行,每个格式为::ID K ID[1] ID[2]…ID [K]其中ID是一个表示给定非叶节点的两位数,K是其子节点的个数,后面是其子节点的一...
【1004】Counting Leaves (30 分),#include<iostream>#include<stdio.h>#include<stdlib.h>#include<math.h>#include<string.h>#include<algorithm>#include#include<vector>#inclu...
PAT 1004 counting leaves题解 1004 Counting Leaves分数 30 A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. Input Specification: Each input file contains one test case. Each case starts with a line containing 0<N<100, ...
step1 第一次接触树的题,思维模式和之前不大一样。不过完整做下来,也就是hash数组+队列(本质上就是BFS)的处理模式。 #include<iostream>#include<stdio.h>#include<vector>#include<queue>usingnamespacestd;structNode{intisleaf,leaf_num;vector<int>children;}trees[100];intmain(){#if ONLINE_JUDGE#elsefre...
, the number of non-leaf nodes. Then lines follow, each in the format: ID K ID[1]ID[2]...ID[K] whereIDis a two-digit number representing a given non-leaf node,Kis the number of its children, followed by a sequence of two-digitID's of its children. For the sake of simplicity...
一、题目 二、短语词汇 Then M lines follow, each in the format: 然后是M行,每一行的格式为. For the sake of si...
A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. Input Specification: Each input file contains one test case. Each case starts with a line containing , the number of nodes in a tree, and ...