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#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n;
int a[101][101];
int main()
{
fin >> n;
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++)
fin >> a[i][j];
for(int k=1; k<=n; k++)
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++)
a[i][j] = min(a[i][j], a[i][k] + a[k][j]);
for(int i=1; i<=n; i++, fout << "\n")
for(int j=1; j<=n; j++)
fout << a[i][j] << " ";
return 0;
}