#include <fstream>

using namespace std;

int n;
int m[110][110];

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

void read_data() {
    f >> n;
    for( int i = 1; i <= n; i++ )
        for( int j = 1; j <= n; j++ )
            f >> m[i][j];
}

void solve() {
    int i, j, k;
    for( k = 1; k <= n; k++ )
        for( i = 1; i <= n; i++ )
            for( j = 1; j <= n; j++ )
                if( m[i][k] and m[j][k] and ( m[i][j] > m[i][k] + m[j][k] or !m[i][j] ) and i != j )
                     m[i][j] = m[i][k] + m[j][k];
}

void print_data() {
    for( int i = 1; i <= n; i++ ) {
        for( int j = 1; j <= n; j++ )
            g << m[i][j] << " ";
        g << "\n";
    }
}

int main() {
    read_data();
    solve();
    print_data();
    return 0;
}