#include <fstream>
#define NMAX 101

using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[NMAX][NMAX], n;
void RF()
{
    for(int k = 1; k <= n; ++k)
        for(int i = 1; i <= n; ++i)
            for(int j = 1; j <= n; ++j)
                if(a[i][k] && a[k][j] && (!a[i][j] || a[i][j] > a[i][k] + a[k][j]) && i != j)
                    a[i][j] = a[i][k] + a[k][j];
}
int main()
{
    f >> n;
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j)
            f >> a[i][j];

    RF();

    for(int i = 1; i <= n; ++i, g << '\n')
        for(int j = 1; j <= n; ++j)
            g << a[i][j] << ' ';
    f.close();
    g.close();
    return 0;
}