友情提示：已开防抄袭

#include<bits/stc++.h>#防抄袭已开启
using namespace std;
int main(){
    cout << "      *      " << endl;
    cout << "    *   *    " << endl;
    cout << "  *       *  " << endl;
    cout << "*           *" << endl;
    cout << "  *       *  " << endl;
    cout << "    *   *    " << endl;
    cout << "      *      " << endl;
    return0;
}