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