#include<bits/stdc++.h>using namespace std;int fa;int degree[100007];vector<int>v[100007];void dfs(int x){    for(auto&it:v[x]){        degree[it]=degree[x]+1;        dfs(it);    }    return;}double qpow(double x,int y){    double ans=1,tm…

给出一棵树,在树根出货物的价格为p,然后每往下一层,价格增加r%,求所有叶子节点中的最高价格,以及该层叶子结点个数. #include <iostream> #include <cstdio> #include <algorithm> #include <string.h> #include <cmath> /* 相当于求解树的层数 */ using namespace std; +; ,num=; int head[maxn]; int tot…

1090. Highest Price in Supply Chain (25) 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 bu…

1090. Highest Price in Supply Chain (25) 时间限制 200 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…

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…

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 pri…

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 200 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…

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 pric…

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,…