Cod sursa(job #591532)
#include<stdio.h>
int a[128][128];
int min(int x,int y)
{
if(x>y)
return y;
return x;
}
int main()
{
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
int n,i,j,k;
scanf("%d",&n);
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
scanf("%d",&a[i][j]);
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
for(k=1;k<=n;k++)
if(i!=j &&a[i][k]!=0 && a[k][j]!=0)
a[i][j]=min(a[i][j],a[k][j]+a[i][k]);
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
printf("%d ",a[i][j]);
printf("\n");
}
printf("\n");
return 0;
}