循环大师挑战画星星

#include <bits/stdc++.h>
using namespace std;

int main() {
	
	int n;
	cin >> n;
	int stars = 0;
	for(int i=1; i<=n;) {
		if(stars < i) {
			cout << '*';
			stars++;
			continue;
		}
		if(stars == i) {
			cout << endl;
			i++;
			stars = 0;
		} 
	} 

	return 0;
}