标签:
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;
}
标签:
原文地址:http://www.cnblogs.com/a972290869/p/4396634.html