#include <iostream>
#include <fstream>
using namespace std;

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

int n;
const int INF = 1000000;
int m[101][101];

int main()
{
    in >> n;
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            in >> m[i][j];
            if(m[i][j] == 0 && i != j)
            {
                m[i][j] = INF;
            }
        }
    }

    for(int k = 1; k <= n; k++)
    {
        for(int i = 1; i <= n; i++)
        {
            for(int j = 1; j <= n; j++)
            {
                int drum_nou = m[i][k] + m[k][j];
                if(i != k && j != k && i != j && m[i][k] != 0 && m[k][j] != 0 && drum_nou < m[i][j])
                {
                    m[i][j] = drum_nou;
                }
            }
        }
    }
     for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
           out << m[i][j] << " ";
        }
        out << "\n";
    }
    return 0;
}