#include <bits/stdc++.h>

using namespace std;

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

int n, dp[101][101];

int main() {
	in >> n;
	for (int i = 1; i <= n; i++)
		for (int j = 1; j <= n; j++)
			in >> dp[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 && dp[i][k] && dp[k][j] && (!dp[i][j] || dp[i][k] + dp[k][j] < dp[i][j]))
					dp[i][j] = dp[i][k] + dp[k][j];
					
	for (int i = 1; i <= n; i++, out << '\n')
		for (int j = 1; j <= n; j++)
			out << dp[i][j] << ' ';
	return 0;
}