for (int i = n - 1; i 0; i--) {
Free tier available，更多细节参见WPS下载最新地址
。旺商聊官方下载对此有专业解读
Before you share your location, you'll get to choose how long you want to share -- one hour, today only (ending at midnight), until you turn it off, or for a custom time period less than 24 hours. You can also stop sharing at any time.。快连下载-Letsvpn下载对此有专业解读
// 条件解读：栈非空 + 栈顶当前数 + 还有删除名额 → 弹出栈顶（移除大数）