#include <iostream>
#include <fstream>
#include <vector>

using namespace std;

ifstream input("royfloyd.in");
ofstream output("royfloyd.out");

int main()
{
    int N;
    input >> N;

    vector<vector<int>> dist_matr(N, vector<int>(N));

    for(int i = 0; i < N; i++){
        for(int j = 0; j < N; j++){
            input >> dist_matr[i][j];
        }
    }
    for(int k = 0; k < N; k++){
        for(int i = 0; i < N; i++){
            for(int j = 0; j < N; j++){
                if(i == j){
                    continue;
                }
                if((dist_matr[i][j] > dist_matr[i][k] + dist_matr[k][j] || dist_matr[i][j] == 0) && dist_matr[i][k] != 0 && dist_matr[k][j] != 0){
                    dist_matr[i][j] = dist_matr[i][k] + dist_matr[k][j];
                }
            }
        }
    }
    for(int i = 0; i < N; i++){
        for(int j = 0; j < N; j++){
            output << dist_matr[i][j] << " ";
        }
        output << endl;
    }
    return 0;
}