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