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#include <fstream>
using namespace std;
int a[101][101];
int main()
{
int n,i,j,k;
ifstream f("royfloyd.in");
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
f>>a[i][j];
f.close();
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(a[i][k]&&a[k][j]&&(a[i][j]>a[i][k]+a[k][j]||!a[i][j])&&i!=j)
a[i][j]=a[i][k]+a[k][j];
ofstream g("royfloyd.out");
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
g<<a[i][j]<<" ";
g<<'\n';
}g.close();
return 0;
}