[Algorithm] BOJ 2438

#include <iostream>
using namespace std;

int main()
{
    int n;
    cin >> n;
    
    int cnt = 2;
    
    for(int i = 0; i < n; i++)
    {
        for(int j = 1; j < cnt; j++)
        {
            cout << "*";
        }
        cnt++;
        cout << "\n";
    }
    
 
    return 0;
}