1087 All Roads Lead to Rome (30)(30 分) Indeed there are many different tourist routes from our city to Rome. You are supposed to find your clients the route with the least cost while gaining the most happiness. Input Specification: Each input file co…

1087. All Roads Lead to Rome (30) Indeed there are many different tourist routes from our city to Rome. You are supposed to find your clients the route with the least cost while gaining the most happiness. Input Specification: Each input file contain…

PAT 1087 All Roads Lead to Rome 题目: Indeed there are many different tourist routes from our city to Rome. You are supposed to find your clients the route with the least cost while gaining the most happiness. Input Specification: Each input file conta…

PAT甲级1087. All Roads Lead to Rome 题意: 确实有从我们这个城市到罗马的不同的旅游线路.您应该以最低的成本找到您的客户的路线,同时获得最大的幸福. 输入规格: 每个输入文件包含一个测试用例.对于每种情况,第一行包含2个正整数N(2 <= N <= 200),城市数,K, 双城之间的路线总数;其次是起始城市的名称.下一个N-1行每个都给出一个城市的名字和一个整数,代表从城市可以获得的幸福,除了起始城市.然后K行跟随,每个描述两个城市之间的路线,格式为"C…

题目链接 All Roads Lead to Rome 题目大意:求符合题意(三关键字)的最短路.并且算出路程最短的路径有几条. 思路:求最短路并不难,SPFA即可,关键是求总路程最短的路径条数. 我们令$h[i][j]$为$i$到$j$的最短路,$g[i][j]$为$i$到$j$的最短路条数. $f[i][j]$的求法就是常规的Floyd求法 $g[i][j]$利用乘法原理的性质来求. 当枚举的中间点$k$满足 $f[i][k] + f[k][j] = f[i][j]$时 $g[i][j] +…

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 Indeed there are many different tourist routes from our city to Rome. You are supposed to find your clients the route with the least cost while gaining the most happiness. Input Spec…

https://pintia.cn/problem-sets/994805342720868352/problems/994805379664297984 Indeed there are many different tourist routes from our city to Rome. You are supposed to find your clients the route with the least cost while gaining the most happiness.…

Indeed there are many different tourist routes from our city to Rome. You are supposed to find your clients the route with the least cost while gaining the most happiness. Input Specification: Each input file contains one test case. For each case, th…

Indeed there are many different tourist routes from our city to Rome. You are supposed to find your clients the route with the least cost while gaining the most happiness. Input Specification: Each input file contains one test case. For each case, th…

直接用Dijkstra做 #include<bits/stdc++.h> using namespace std; int n,m; map<string,int>si; map<int,string>is; ; int weight[N]; int mp[N][N]; const int inf=0x3f3f3f3f; int dis[N]; bool vis[N]; int num[N]; int w[N]; int past[N]; int path[N]; vo…