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

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

int a[101][101];
int c[101][101];
int n;

int main()
{
    is >> n;
    for(int i= 1 ; i <= n; ++i)
    {
        for(int j = 1; j <= n; ++j)
        {
            is >> a[i][j];
            c[i][j] = a[i][j];
        }
    }
    for(int k = 1; k <= n; ++k)
    {
        for(int i = 1; i <= n; ++i)
        {
            for(int j = 1; j <= n; ++j)
            {
                //if(c[i][k] && c[k][j] && (c[i][j] > c[i][k] + c[k][j] || !c[i][j]) && i != j)
                 if(i != j && c[i][k] + c[k][j] < c[i][j])
                    c[i][j] = c[i][k] + c[k][j];

            }
        }
    }
     for(int i = 1; i <= n; ++i)
        {
            for(int j = 1; j <= n; ++j)
            {
                os << c[i][j] << ' ';
            }
            os << '\n';
        }
    is.close();
    os.close();
    return 0;
}