#include <iostream>
using namespace std;
int main() {
int height;
cout << "请输入圣诞树的高度：";
cin >> height;
// 打印树冠
for (int i = 1; i <= height; i++) {
// 打印空格
for (int j = 1; j <= height - i; j++) {
cout << " ";
}
// 打印星号
for (int k = 1; k <= (i * 2) - 1; k++) {
if (k <= (height - i) * 2 + 1) {
cout << "*";
} else {
cout << " ";
}
}
// 换行
cout << endl;
}
// 打印树干
for (int i = 1; i <= height - 1; i++) {
cout << " ";
}
cout << "|" << endl;
return 0;
}
