//#include "pch.h"
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int main()
{
	int a[100][100],n;
	fin >> n;
	for (int i = 0; i < n; i++)
		for (int j = 0; j < n; j++)
			fin >> a[i][j];
	for (int i = 0; i < n; i++)
		for (int j = 0; j < n; j++)
			for (int k = 0; k < n; k++)	
				if(j!=k)
					if ((a[j][k] > a[j][i] + a[i][k] or a[j][k]==0)and a[j][i]*a[i][k])
						a[j][k] = a[j][i] + a[i][k];
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < n; j++)
			fout << a[i][j] << " ";
		fout << endl;
	}

}