#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int main ()
{
    int n,a[102][102];
    fin>>n;
    for (int i=1;i<=n;i++)
        for (int j=1;j<=n;j++)
            fin>>a[i][j];
    int i, j, k;
	for (k = 1; k <= n; k++)
        for (i = 1; i <= n; i++)
			for (j = 1; j <= n; j++)
				if (a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j)
                    a[i][j] = a[i][k] + a[k][j];
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
            fout<<a[i][j]<<" ";
        fout<<"\n";
    }
}