题意:输入一个正整数N(<=1e5),两个小数P和R,分别表示树的结点个数和商品原价以及每下探一层会涨幅的百分比.输出叶子结点深度最小的商品价格和深度最小的叶子结点个数. trick: 测试点1只有根节点一个点,输出P和1. AAAAAccepted code: #define HAVE_STRUCT_TIMESPEC #include<bits/stdc++.h> using namespace std; vector<]; ]; void dfs(int x,int y){ )…

1106. Lowest 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 buy…

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…

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…

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…

统计树的最小层数以及位于该层数上的叶子节点个数即可. 代码里建树我用了邻接链表的存储方式——链式前向星,不了解的可以参考,非常好用: http://www.cnblogs.com/chenxiwenruo/p/4513754.html #include <iostream> #include <cstdio> #include <algorithm> #include <string.h> #include <cmath> using names…

本文同步发布在CSDN:https://blog.csdn.net/weixin_44385565/article/details/90444872 1106 Lowest Price in 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 su…

https://pintia.cn/problem-sets/994805342720868352/problems/994805362341822464 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 ro…

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…

求叶子结点处能活得最低价格以及能提供最低价格的叶子结点的个数 #include<bits/stdc++.h> using namespace std; ; vector<int>vec[N]; int minn=0x3f3f3f3f; ; void dfs(int v,int step) { ){ if(minn>step){ minn=step; num=; } else if(minn==step){ num++; } } ;i<vec[v].size();i++)…