// 题目要求找「右侧第一个 ≤ cur」的元素 → 弹出所有 cur 的，栈顶即为折扣
BackAn interactive intro to quadtrees
，详情可参考搜狗输入法2026
More on this storyYungblud festival draws fans from across the world，更多细节参见旺商聊官方下载
Finding the closest point。搜狗输入法2026对此有专业解读
compared to more familiar, Unix-family terminals. In some ways, they were quite