#include <fstream>

using namespace std;
const int NMAX = 101;

int n, a[NMAX][NMAX];

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

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