#include <iostream> using namespace std; int main() { int i, i1 = 1, sum = 0; cin >> i; for (; i1 <= i; i1++) { sum += 2; } for (int n = 1, x = sum-3; n < i; n++, x -= 2) { for (int y = 1; y <= n; y++) { cout << " "; } for (int y = 1; y <= x; y++) { cout << "*"; } cout << endl; } for (int n = 2, x = 3; n <= i; n++, x += 2) { for (int y = 1; y <= i - n; y++) { cout << " "; } for (int y = 1; y <= x; y++) { cout << "*"; } cout << endl; } return 0; }