#include <fstream>

using namespace std;

const int NMAX = 100;

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

int v[NMAX+5][NMAX+5];

int main()
{
    int N;
    in >> N;
    for( int i = 1;  i <= N;  ++i ) {
        for( int j = 1;  j <= N;  ++j ) in >> 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( v[i][k] && v[k][j] && i != j && ( v[i][j] > v[i][k]+v[k][j] || !v[i][j] ) ) {
                    v[i][j] = v[i][k] + v[k][j];
                }
            }
        }
    }
    for( int i = 1;  i <= N;  ++i ) {
        for( int j = 1; j <= N;  ++j ) out << v[i][j] << ' ';
        out << '\n';
    }
    return 0;
}