triangledraw

#include <iostream>

int main()
{
    for(int i=1; i<=10; ++i)
    {
        for(int j=1; j<=i-1; ++j)
        {
            std::cout<<" ";
        }

        for(int j=1; j<=10-i+1; ++j)
        {
            std::cout<<"*";
        }

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