#include <fstream>
#include <cmath>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
long long n, a[110][110];
const int oo=(1<<30);
void citire()
{
    int i,j;
    cin >> n;
    for( i = 1; i <= n; i++)
        for( j = 1; j <= n; j++)
        {
            cin >> a[i][j];
            if(a[i][j] == 0)
                a[i][j] = oo;
        }
}
int main()
{   int i,j,k;
    citire();
    for( k = 1; k <= n; k++)
        for( i = 1; i <= n; i++)
            if(i != k)
                {
                    for( j = 1; j <= n; j++)
                        if(i != j && j != k)
                        a[i][j] = min(a[i][j], a[i][k] + a[k][j]);
                }
    for( i = 1; i <= n; i++)
    {
        for( j = 1; j <= n; j++)
        {
            if(a[i][j] ==oo)
                cout << "0 ";
            else cout << a[i][j] << " ";
        }
        cout <<'\n';
    }
    return 0;
}