#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[101][101];
int main()
{
    int n;
    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 ((i != j && a[i][k] && a[k][j]) && (a[i][j] > a[i][k] + a[k][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++) {
            fout<<a[i][j]<<' ';
        }
        fout<<'\n';
    }
    fin.close();
    fout.close();
    return 0;
}