Cod sursa(job #675146)
#include <fstream>
using namespace std;
#define MAX 1001
#define infile "royfloyd.in"
#define outfile "royfloyd.out"
#define dim 101
int main (void)
{
int n,a[dim][dim],i,j,k;
ifstream in(infile);
in>>n;
for (i=1;i<=n;i++)
for (j=1;j<=n;j++)
in>>a[i][j];
in.close();
for (k=1;k<=n;k++)
for (i=1;i<=n;i++)
for (j=1;j<=n;j++)
if (a[i][j]>a[i][k]+a[k][j])
a[i][j]=a[i][k]+a[k][j];
ofstream out(outfile);
for (i=1;i<=n;i++)
{
for (j=1;j<=n;j++)
out<<a[i][j]<<" ";
out<<"\n";
}
out.close();
return 0;
}