最简代码 最长代码

#include <iostream>
using namespace std;
int main()
{
	short n;
	cin >> n;
	
	for(short i = 1; i <= (n - 1) / 2; i++)	cout << ".";
	cout << "#";
	for(short i = 1; i <= (n - 1) / 2; i++)	cout << ".";
	cout << endl;
	
	for(short i = (n - 3) / 2; i >= 0; i--){
		for(short j = 1; j <= i; j++)	cout << ".";
		cout << "#";
		for(short j = 1; j <= n - 2 * (i + 1); j++)	cout << ".";
		cout << "#";
		for(short j = 1; j <= i; j++)	cout << ".";
		cout << endl;
	}
	for(short i = 1; i <= (n - 3) / 2; i++){
		for(short j = 1; j <= i; j++)	cout << ".";
		cout << "#";
		for(short j = 1; j <= n - 2 * (i + 1); j++)	cout << ".";
		cout << "#";
		for(short j = 1; j <= i; j++)	cout << ".";
		cout << endl;
	}
	
	for(short i = 1; i <= (n - 1) / 2; i++)	cout << ".";
	cout << "#";
	for(short i = 1; i <= (n - 1) / 2; i++)	cout << ".";
	
	return 0;
}