SelectWhat's included
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）。
。关于这个话题，safew官方版本下载提供了深入分析
We’ve all had that sinking feeling. There are multiple crash reports from production. We have the exact input parameters that caused the failures. We have the stack traces. Yet, when we run the code locally, it works perfectly.。关于这个话题，雷电模拟器官方版本下载提供了深入分析
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