#include <fstream>

using namespace std;

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

int n;
int a[101][101];

int main()
{
    fin >> n;
    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= n; ++j)
            fin >> 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 (a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j)
                    a[i][j] = a[i][k] + a[k][j];
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j)
            fout << a[i][j] << ' ';
        fout << '\n';
    }
    fin.close();
    fout.close();
    return 0;
}