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