zhe

#include <iostream>
using namespace std;

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