PAT A1003 Emergency PAT A1003 Emergency 题目简述: 原题为英文题目,所以在这里简述一下题意: 给定n个点和m条无向路以及起点.终点 下面一行n个数,第i个数表示第i个点上的救援组数目(点权) 再往下m行每行三个整数,表示每一条路连接的两个端点以及花费(边权) 要求求出从起点到终点的最短路径数目以及最短路径上的最大救援组数目和 解题思路: 这道题和一般的最短路稍有不同:本题除了寻找最短路还要额外维护两个值--最短路数目和救援组数目和最大值 怎么处理呢? 增加…

As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between any pair of cities are…

Source: PAT A1003 Emergency (25 分) Description: As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the len…

第二天 A1003 Emergency (25 分) 题目内容 As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road…

Source: PAT (Advanced Level) Practice Reference: [1]胡凡,曾磊.算法笔记[M].机械工业出版社.2016.7 Outline: 基础数据结构: 线性表:栈,队列,链表,顺序表 树:二叉树的建立,二叉树的遍历,完全二叉树,二叉查找树,平衡二叉树,堆,哈夫曼树 图:图的存储和遍历 经典高级算法: 深度优先搜索,广度优点搜索,回溯剪枝 贪心,并查集,哈希映射 最短路径(只考察过单源),拓扑排序(18年9月第一次涉及相关概念,未正式考过),关键路径(未…

#include <stdio.h> #include <string.h> #include <vector> #include <queue> #include <iostream> using namespace std; ; ; struct Node { int v,dis; }; vector<Node> Adj[MAXV]; int n;//n为顶点数,图G使用邻接表实现,MAXV为最大顶点数(点数决定如何遍历边) in…

专题一  字符串处理 A1001 Format(20) #include<cstdio> int main () { ]; int a,b,sum; scanf ("%d %d",&a,&b); sum=a+b; ) { printf ("-"); sum=-sum; } ; ) { s[top++]=; } ) { s[top++]=sum%; sum/=; } ;i>=;i--) { printf ("%d"…

1003 Emergency (25 分) As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between a…

As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between any pair of cities are…

Emergency Time Limit: 1000ms   Memory limit: 65536K  有疑问?点这里^_^ 题目描述 Kudo’s real name is not Kudo. Her name is Kudryavka Anatolyevna Strugatskia, and Kudo is only her nickname.Now, she is facing an emergency in her hometown:Her mother is developing a…