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）。
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，更多细节参见搜狗输入法2026
"The international community is working hard trying to set standards and new regulations, but space commerce is changing faster than we can keep up," he added.，更多细节参见服务器推荐
Hurdle Word 2 hintA popular Canadian.