백준(baekjoon)(BaekJoon)코딩 2445번:별찍기-8 답

#include <iostream>
using namespace std;
int main() {
    int num;
    cin >> num;
    
    for (int i = 1; i <= num; i++)
    {
        for (int j = 1; j <= i; j++)
        {
            cout << "*";
        }
        for (int k = 1; k <= num * 2 - i * 2; k++)
        {
            cout << " ";
        }
        for (int t = 1; t <= i; t++)
        {
            cout << "*";
        }
        cout << '\n';
    }
    for (int i = 1; i < num; i++)
    {
        for (int j = 1; j <= num - i; j++)
        {
            cout << "*";
        }
        for (int k = 1; k <= i*2; k++)
        {
            cout << " ";
        }
        for (int t = 1; t <= num - i; t++)
        {
            cout << "*";
        }
        cout << '\n';
    }
}