#include<iostream> using namespace std; int main() { int n; scanf("%d",&n) ; for (int i = 1; i <= n; i++) { for (int j = 1; j <= n - i; j++) { cout << " "; } for (int j = 1; j <= i * 2 - 1; j++) { printf("*"); } printf("\n") ; } return 0; }