# include <fstream>
# include <algorithm>

using namespace std;

ifstream f ( "royfloyd.in" );
ofstream g ( "royfloyd.out" );

int a[102][102], n;

void roy_floyd() {

    for ( int k = 1; k <= n; ++ k ) {
        for ( int i = 1; i <= n; ++ i ) {
            for ( int j = 1; j <= n; ++ j ) {
                if ( ( a[i][j] > a[i][k] + a[k][j] || a[i][j] == 0 ) && i - j && a[i][k] && a[k][j] ) {
                    a[i][j] = a[i][k] + a[k][j];
                }
            }
        }
    }
}

int main()
{
    f >> n;
    for ( int i = 1; i <= n; ++ i ) {
        for ( int j = 1; j <= n; ++ j ) {
            f >> a[i][j];
        }
    }

    roy_floyd();

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


    return 0;
}