z16

#include <iostream>

int main()
{
    int n;
    std::cout << "Unesite n: ";
    std::cin >> n;

    for (int i = 1; i <= n; ++i)
    {
        std::cout.width(n - i + 1);
        for (int j = 1; j < 2 * i; ++j)
            std::cout << "*";

        std::cout << std::endl;
    }

    return 0;
}