#include <iostream>
#include <fstream>
using namespace std;
ifstream f ("royfloyd.in");
ofstream g ("royfloyd.out");

int main()
{
    int N, mt[101][101];
    f >> N;
    int i, j, k;
    for(i = 1; i <= N; i++) {
        for(j = 1; j <= N; j++)
            f >> mt[i][j];
    }
    for(k = 1; k <= N; k++) {
        for(i = 1; i <= N; i++) {
            for(j = 1; j <= N; j++) {
                if (mt[i][k] && mt[k][j] && (mt[i][j] > mt[i][k] + mt[k][j] || !mt[i][j]) && i != j)
                    mt[i][j] = mt[i][k] + mt[k][j];
            }
        }
    }
    for(int i = 1; i <= N; i++) {
        for(j = 1; j <= N; j++)
            g << mt[i][j] << " ";
        g << endl;
    }
    return 0;
}