#include <fstream>
using namespace std;

ifstream is("royfloyd.in");
ofstream os("royfloyd.out");

int n, c[102][102];

int main()
{
    is >> n;
    for ( int i = 1; i <= n; i++ )
        for ( int j = 1; j <= n; j++ )
            is >> c[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 && ( c[i][k] + c[k][j] < c[i][j] || !c[i][j]) && c[i][k] && c[k][j] )
                    c[i][j] = c[i][k] + c[k][j];
    for ( int i = 1; i <= n; i++ )
    {
        for ( int j = 1; j <= n; j++ )
            os << c[i][j] << ' ';
        os << '\n';
    }
    is.close();
    os.close();
    return 0;
}