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Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 8085 Accepted Submission(s): 2105
#include<iostream> #include<cstdio> #include<cstring> #include<cmath> #include<cstdlib> #include<string> #include<algorithm> #include<queue> #include<vector> #include<stack> using namespace std; #define INF 100000000 int n,dist[205][205],a[205],path[205][205]; void floyd() { for(int i=1;i<=n;i++) { for(int j=1;j<=n;j++) path[i][j]=j; } for(int k=1;k<=n;k++) { for(int i=1;i<=n;i++) { for(int j=1;j<=n;j++) { int temp=dist[i][k]+dist[k][j]+a[k]; if(dist[i][j]>temp) { dist[i][j]=temp; path[i][j]=path[i][k]; } else if(dist[i][j]==temp&&path[i][k]<path[i][j]) { path[i][j]=path[i][k]; } } } } } int main() { int u,v; while(scanf("%d",&n)!=EOF) { if(n==0) break; for(int i=1;i<=n;i++) { for(int j=1;j<=n;j++) { scanf("%d",&dist[i][j]); if(dist[i][j]==-1) dist[i][j]=INF; } } for(int i=1;i<=n;i++) scanf("%d",&a[i]); floyd(); while(scanf("%d%d",&u,&v)!=EOF) { if(u==-1&&v==-1) break; printf("From %d to %d :\n",u,v); printf("Path: %d",u); int temp=u; while(u!=v) { printf("-->%d",path[u][v]); u=path[u][v]; } printf("\n"); printf("Total cost : %d\n\n",dist[temp][v]); } } return 0; }
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原文地址:http://www.cnblogs.com/a972290869/p/4396634.html