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#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,i,j,a[111][111],k;
int main()
{
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++)
a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
for(i=1;i<=n;i++,g<<'\n')
for(j=1;j<=n;j++)
g<<a[i][j]<<" ";
return 0;
}