알고리즘과 입출력_백준_10992

#include <iostream>
using namespace std;
 
int main() {
    int num;
    cin >> num;
 
    for (int i = 1; i < num; i++) {
        for (int j = 1; j <= num - i; j++) {
            cout << " ";
        }
        cout << "*";
        for (int j = 1; j <= 2 * (i - 1) - 1; j++) {
            cout << " ";
        }
        if (i != 1) {
            cout << "*";
        }
        cout << endl;
    }
 
    for (int i = 1; i <= 2 * num - 1; i++) {
        cout << "*";
    }
    cout << endl;
 
    return 0;
}