#include <fstream>
#include <vector>

using namespace std;

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

const int NMAX = 100;
int n, d[101][101];

int main(){
    fin >> n;
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
            fin >> d[i][j];
    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++){
                if(d[i][j])
                    d[i][j] = (d[i][k] && d[k][j]) ? min(d[i][k] + d[k][j], d[i][j]) : d[i][j];
                else if(i != j) d[i][j] = d[i][k] && d[k][j];
            }
    for(int i = 1; i <= n; i++, fout << '\n')
        for(int j = 1; j <= n; j++)
            fout << d[i][j] << ' ';
    return 0;
}