#include <fstream>

using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[101][101], n;

int main() {
    f >> n;
    for (int i = 0; i < n; ++i)
        for (int j = 0; j < n; ++j)
            f >> a[i][j];
    for (int k = 0; k < n; ++k)
        for (int i = 0; i < n; ++i)
            for (int j = 0; j < n; ++j)
                if ((a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && a[i][k] && a[k][j] && i != j)
                    a[i][j] = a[i][k] + a[k][j];

    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < n; ++j)
            g << a[i][j] << " ";
        g << '\n';
    }

    return 0;
}