[백준] #2446 별 찍기 - 9(c++)

링크

#include <iostream>

using namespace std;

int main()
{
    int n;
    cin >> n;
    for (int i = 0; i < n; i++)
    {
        for (int k = 0; k < i; k++)
        {
            cout << " ";
        }
        for (int j = 0; j < 2 * (n - i) - 1; j++)
        {
            cout << "*";
        }

        cout << endl;
    }
    for (int i = 0; i < n - 1; i++)
    {
        for (int j = n - i - 2; j > 0; j--)
        {
            cout << " ";
        }
        for (int k = 0; k < i * 2 + 3; k++)
        {
            cout << "*";
        }

        cout << endl;
    }
}