#include <fstream>

using namespace std;

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

const int N = 105;
int d[N][N];

int main()
{
    int n, i, j, k;
    in >> n;
    for(i = 1; i <= n; i++)
        for(j = 1; j <= n; j++)
            in >> d[i][j];
    for(k = 1; k <= n; k++)
        for(i = 1; i <= n; i++)
            for(j = 1; j <= n; j++)
                if(d[i][k] != 0 && d[k][j] != 0 && i!= j)
                    if(d[i][j] == 0 || d[i][k] + d[k][j] < d[i][j])
                        d[i][j] = d[i][k] + d[k][j];

    for(i = 1; i <= n; i++)
        {
            for(j = 1; j <= n; j++)
                out << d[i][j] <<" ";
            out <<"\n";
        }
    return 0;
}