#include <fstream>
using namespace std;

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

const int INF = 0x3f3f3f3f;
int n;
int a[104][104];

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