Untitled

#include <iostream>
#include <cmath>
#include <string>
#include <vector>
using namespace std;

int main()
{
	int n;
	char mas[100][100]; cin >> n;
	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < n; j++)
		{
			mas[i][j] = '#';
			cout << mas[i][j];
		}
		cout << endl;
	}



}