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