2444: 별 찍기 - 7 / C++

문제

예제

 

풀이

#include <iostream>

using namespace std;

int main() {
	int num;

	cin >> num;

	for (int i = 0; i < num; i++) {
		for (int j = 0; j < num - (i + 1); j++)
			cout << " ";

		for (int j = 0; j < 2 * i + 1; j++)
			cout << "*";

		cout << "\n";
	}

	for (int i = 0; i < num - 1; i++) {
		for (int j = 0; j < i + 1; j++)
			cout << " ";

		for (int j = 0; j < 2 * (num - i) - 3; j++) {
			cout << "*";
		}

		cout << "\n";
	}

	return 0;
}