#include <iostream>
using namespace std;

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

int n;
int mat[105][105];

int main()
{
    in >> n;

    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            in >> 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][k] && mat[k][j] && i != j && (mat[i][j] > mat[i][k] + mat[k][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++)
        {
            out << mat[i][j] << " ";
        }
        out << "\n";
    }

    return 0;
}