#include <fstream>
#include <iostream>
using namespace std;
ifstream in ("royfloyd.in");
ofstream out ("royfloyd.out");
int n, a[101][101];
int main ()
{
    in >> n;
    for (int i = 1;i<=n;++i)
        for (int j = 1;j<=n;++j)
            in >> a[i][j];
    for (int k = 1;k<=n;++k)
        for (int i = 1;i<=n;++i)
            for (int j = 1;j<=n;++j)
                if ( i!=j && a[i][k] && a[k][j] && (a[i][k] + a[k][j] < a[i][j] || a[i][j] == 0))
                    a[i][j] = a[i][k] + a[k][j];

    for (int i = 1;i<=n;++i)
    {
        for (int j = 1;j<=n;++j)
            out << a[i][j] << ' ';
        out << '\n';
    }
}