#include<iostream>
using namespace std;

int main()
{
    int num, size;
    cout << "enter num (1 - 10)";
    cin >> num;
    cout << "enter num (5 - 21)";
    cin >> size;
    cout << endl;
    for (int i = 0; i < size; i++) {
        for (int j = 0; j < size; j++) {
            switch (num) {
            case 1:
                (i <= j) ? cout << " *" : cout << "  ";
                break;
            case 2:
                (i >= j) ? cout << " *" : cout << "  ";
                break;
            case 3:
                (i <= j && i <= size - 1 - j) ? cout << " *" : cout << "  ";
                break;
            case 4:
                (i >= j && i >= size - 1 - j) ? cout << " *" : cout << "  ";
                break;
            case 5:
                ((i <= j && i <= size - 1 - j) || (i >= j && i >= size - 1 - j)) ? cout << " *" : cout << "  ";
                break;
            case 6:
                ((i >= j && i <= size - 1 - j) || (i <= j && i >= size - 1 - j)) ? cout << " *" : cout << "  ";
                break;
            case 7:
                (i >= j && i <= size - 1 - j) ? cout << " *" : cout << "  ";
                break;
            case 8:
                (i <= j && i >= size - 1 - j) ? cout << " *" : cout << "  ";
                break;
            case 9:
                (i <= size - 1 - j) ? cout << " *" : cout << "  ";
                break;
            case 10:
                (i >= size - 1 - j) ? cout << " *" : cout << "  ";
                break;
            }
        }
        cout << endl;
    }
}