#include <iostream>
#include <fstream>

using namespace std;

int N, A[105][105];
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

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

    return 0;
}