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#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n, V[110][110];
int main()
{
fin >> n;
for (int i=1; i<=n; i++)
for (int j=1; j<=n; j++)
fin >> V[i][j];
for (int k=1; k<=n; k++)
for (int i=1; i<=n; i++)
for (int j=1; j<=n; j++)
if (V[i][k] && V[k][j] && (V[i][k] + V[k][j] < V[i][j]) && i != j) V[i][j] = V[i][k] + V[k][j];
for (int i=1; i<=n; i++)
{
for (int j=1; j<=n; j++)
fout << V[i][j] << ' ';
fout << '\n';
}
fout.close();
return 0;
}