#include <fstream>

using namespace std;

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

int n, m;
int a[101][101];

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

	for (int i = 1; i <= n; i++)
	{
		for (int j = 1; j <= n; j++)
			if (a[i][j] == 0)
				a[i][j] = 1e7;
		a[i][i] = 0;
	}

	for (int k = 1; k <= n; k++)
		for (int i = 1; i <= n; i++)
			for (int j = 1; j <= n; j++)
				if (a[i][j] > a[i][k] + a[k][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;
}