#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

const int nmax = 100;

int n;

int r[nmax + 5][nmax + 5];

int main()
{
    fin>>n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++)
            fin>>r[i][j];
    for (int k = 1 ; k <= n; k++)
        for (int i = 1; i <= n; i++)
            for (int j = 1; j <= n; j++) {
                if (i == j) continue;
                if (r[i][k] && r[k][j]) {
                    if (!r[i][j])
                        r[i][j] = r[i][k] + r[k][j];
                    else
                        r[i][j] = min(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';
    }
}