树的遍历. #include<cstdio> #include<cstring> #include<cmath> #include<vector> #include<map> #include<stack> #include<queue> #include<string> #include<iostream> #include<algorithm> using namespace std…

题意: 输入一个正整数N(<=1e5),表示共有N个结点,接着输入两个浮点数分别表示商品的进货价和每经过一层会增加的价格百分比.接着输入N行每行包括一个非负整数X,如果X为0则表明该结点为叶子结点接着输入一个整数表示该零售商进货的数量,X不为零则接着输入X个正整数表示它的下级经销商是哪些结点.输出所有零售商进货的总价.(结点从0~N-1,0为根节点即供应商) AAAAAccepted code: #include<bits/stdc++.h> using namespace std; ]…

题目信息 1079. Total Sales of Supply Chain (25) 时间限制250 ms 内存限制65536 kB 代码长度限制16000 B A supply chain is a network of retailers(零售商), distributors(经销商), and suppliers(供应商)– everyone involved in moving a product from supplier to customer. Starting from one…

1079 Total Sales of Supply Chain (25 分)   A supply chain is a network of retailers(零售商), distributors(经销商), and suppliers(供应商)-- everyone involved in moving a product from supplier to customer. Starting from one root supplier, everyone on the chain b…

和下面是同类型的题目,只不过问的不一样罢了: 1090. Highest Price in Supply Chain (25)-dfs求层数 1106. Lowest Price in Supply Chain (25)-(dfs计算树的最小层数) #include <iostream> #include <cstdio> #include <algorithm> #include <string.h> #include <cmath> usin…

题目 A supply chain is a network of retailers(零售商), distributors(经销商), and suppliers(供应商)– everyone involved in moving a product from supplier to customer. Starting from one root supplier, everyone on the chain buys products from one's supplier in a pr…

时间限制 250 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue A supply chain is a network of retailers(零售商), distributors(经销商), and suppliers(供应商)-- everyone involved in moving a product from supplier to customer. Starting from one root supplie…

题目如下: A supply chain is a network of retailers(零售商), distributors(经销商), and suppliers(供应商)-- everyone involved in moving a product from supplier to customer. Starting from one root supplier, everyone on the chain buys products from one's supplier in…

简单dfs #include<cstdio> #include<cstring> #include<cmath> #include<vector> #include<map> #include<queue> #include<stack> #include<algorithm> using namespace std; +; vector<int>g[maxn]; int n; double P,r…

简单dfs. #include<cstdio> #include<cstring> #include<cmath> #include<algorithm> #include<map> #include<queue> #include<stack> #include<vector> using namespace std; +; vector<int>g[maxn]; int n; double p,…