triangle.cpp

#include <iostream>
using namespace std;

void printTriangle(int n) {
	for (int i = 0; i < n; ++i) {
		for (int j = ((2*n-1) - (2*i+1))/2; j > 0; --j){
			cout << " ";
		}

		for (int k = (2*i+1); k > 0; --k){
			cout << "*";
		}

		cout << endl;
	}
}

int main() {
	int n;
	cin >> n;	

	printTriangle(n);
	return 0;
}