//============================================================================
// Name        : royfloyd.cpp
// Author      : Margineanu Cristian
// Version     :
// Copyright   : Your copyright notice
// Description : Hello World in C++, Ansi-style
//============================================================================

#include <fstream>
using namespace std;

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

int main() {
	int t[105][105];

	int n;
	fin >> n;

	for (int i = 1; i <= n; i++)
		for (int j = 1; j <= n; j++)
			fin >> t[i][j];

	for (int k = 1; k <= n; k++)
		for (int i = 1; i <= n; i++)
			for (int j = 1; j <= n; j++)
				if (i != j && (t[i][k] != 0 && t[k][j] != 0 &&(t[i][j] > t[i][k] + t[k][j] || t[i][j] == 0)))
					t[i][j] = t[i][k] + t[k][j];

	for (int i = 1; i <= n; i++){
		for (int j = 1; j <= n; j++)
			fout << t[i][j] << ' ';
		fout << '\n';
	}
	return 0;
}