#include <fstream>

using namespace std;

const int N = 100;
int mat[N+1][N+1];

int main(){
    ifstream in("royfloyd.in");
    ofstream out("royfloyd.out");
    int n;
    in >> n;
    for (int i = 1; i <= n; i++){
        for (int j = 1; j <= n; j++){
            in >> mat[i][j];
        }
    }
    for (int k = 1; k <= n; k++){
        for (int i = 1; i <= n; i++){
            for (int j = 1; j <= n; j++){
                if (mat[i][j] > mat[i][k] + mat[k][j]){
                    mat[i][j] = mat[i][k] + mat[k][j];
                }
            }
        }
    }
    for (int i = 1; i <= n; i++){
        for (int j = 1; j <= n; j++){
            out << mat[i][j] << " ";
        }
        out << "\n";
    }
    in.close();
    out.close();
    return 0;
}