#include <fstream>

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

int min(int, int);

int n;
int dp[105][105];

int main()
{
	int i, j, k;
	fin >> n;
	for (i = 1; i <= n; i++)
		for (j = 1; j <= n; j++)
			fin >> dp[i][j];
	for (k = 1; k <= n; k++)
		for (i = 1; i <= n; i++)
			for (j = 1; j <= n; j++)
			{
				if (dp[i][k] && dp[k][j])
					dp[i][j] = min(dp[i][j], dp[i][k] + dp[k][j]);
				if (!dp[i][j] && i != j)
					dp[i][j] = dp[i][k] + dp[k][j];
			}
	for (i = 1; i <= n; i++)
	{
		for (j = 1; j <= n; j++)
			fout << dp[i][j] << ' ';
		fout << '\n';
	}
	return 0;
}

int min(int a, int b)
{
	return a < b ? a : b;
}