#include <fstream>

using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

#define DIM 101

int n, a[DIM][DIM];

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 )
                if ( a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j )
                    a[i][j] = a[i][k] + a[k][j];

    for ( int i = 1; i <= n; ++i )
    {
        for (int j = 1; j <= n; ++j )
            fout << a[i][j] << ' ';
        fout << '\n';
    }

    fin.close();
    fout.close();
    return 0;
}