#include <iostream>
#include <fstream>

using namespace std;

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

int N, matrice[105][105];

int main()
{
    fin >> N;
    for(int i = 1; i <= N; i++){
        for(int j = 1; j <= N; j++){
            fin >> matrice[i][j];
        }
    }
    for(int k = 1; k <= N; k++){
        for(int i = 1; i <= N; i++){
            for(int j = 1; j <= N; j++){
                if (matrice[i][k] && matrice[k][j] && (matrice[i][j] > matrice[i][k] + matrice[k][j] || !matrice[i][j]) && i != j) matrice[i][j] = matrice[i][k] + matrice[k][j];
                //matrice[i][j] = min(matrice[i][j], matrice[i][k] + matrice[k][j]);
            }
        }
    }
    for(int i = 1; i <= N; i++){
        for(int j = 1; j <= N; j++){
            fout << matrice[i][j] << " ";
        }
        fout << "\n";
    }
}