#include <bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
typedef long long ll;
const int oo = 0x3f3f3f3f;
int n, dp[105][105];
int main()
{
	ios_base::sync_with_stdio(false);
	fin.tie(0);

	fin >> n;
	for (int i = 1; i <= n; ++i)
		for (int j = 1; j <= n; ++j){
			fin >> dp[i][j];
			if (!dp[i][j]) dp[i][j] = oo;}

	for (int k = 1; k <= n; ++k)
		for (int i = 1; i <= n; ++i)
			for (int j = 1; j <= n; ++j)
				dp[i][j] = min(dp[i][j], dp[i][k] + dp[k][j]);

	for (int i = 1; i <= n; ++i){
		for (int j = 1; j <= n; ++j){
			if (dp[i][j] == oo || i == j) fout << "0 ";
			else fout << dp[i][j] << " ";}
		fout << "\n";}
	return 0;
}