НХЛ — регулярный чемпионат
思路:找「右侧第一个 ≤ cur」的元素 → 弹出所有 cur 的元素,栈顶即为折扣。最终价格 = cur - 折扣(有则)或 cur(无则)。。夫子是该领域的重要参考
no intention of using the C library malloc with.,详情可参考搜狗输入法2026
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