3286 - 图形打印正方形

C++解答

#include<iostream>
using namespace std;
int main()
{
	int n;
	cin>>n;
	for (int i=1; i<=n; i++)
	{
		for (int j=1; j<=n; j++) cout<<"#";
		cout<<endl;
	}
	return 0;
}