백준 2438 c++

#include <iostream>
using namespace std;

int main(void)
{
	int num;
	cin >> num;

	if (num >= 1 && num <= 100)
	{
		for (int i = 1; i <= num; i++)
		{
			for (int j = 1; j <= i; j++)
			{
				//printf("*");
				cout << "*";
			}
			//printf("\n");
			cout << endl;
		}
	}
	else
	{
		;
	}
	return 0;
}