#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
#define MAX 102
int a[MAX][MAX];
int n, i, j, k;
int main()
{
    fin >> n;
    for(i = 1 ; i <= n ; i++)
        for(j = 1 ; j <= n ; j++)
            fin >> a[i][j];
    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][k] + a[k][j] < a[i][j] || (a[i][j] == 0 && 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";
    }
}