#include <fstream>

using namespace std;

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

int n, c[103][103];

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