#include<fstream>
#define inf 2000000000
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int d[101][101];
int n;
void roy_floyd()
{
    for (int k = 1; k <= n; k++)
        for (int i = 1; i <= n; i++)
            for (int j = 1; j <= n; j++)
                if (i != j && d[i][k] != 0 && d[k][j] != 0)
                {
                    if (d[i][j] == 0)
                        d[i][j] = d[i][k] + d[k][j];
                    else
                        d[i][j] = min(d[i][j], d[i][k] + d[k][j]);
                }
}
int main()
{
    f >> n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++)
            f >> d[i][j];

    roy_floyd();

    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
            g << d[i][j] << ' ';
        g << '\n';
    }


}