#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int n;
int mat[101][101];

int main()
{
    f >> n;
    for (int i = 1; i <= n; ++i)
    {
        for (int j = 1; j <= n; ++j)
        {
            f >> mat[i][j];
        }
    }
    for (int k = 1; k <= n; ++k)
    {
        for (int i = 1; i <= n; ++i)
        {
            for (int j = 1; j <= n; ++j)
            {
                if (mat[i][j] && mat[i][k] && mat[k][j])
                {
                    if ((mat[i][k] + mat[k][j] < mat[i][j]) || !mat[i][j])
                    {
                        mat[i][j] = mat[i][k] + mat[k][j];
                    }
                }
            }
        }
    }
    for (int i = 1; i <= n; ++i)
    {
        for (int j = 1; j <= n; ++j)
        {
            g << mat[i][j] << ' ';
        }
        g << '\n';
    }
    return 0;
}