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）。
The streamers who spoke to the BBC say something must be done to protect children on Discord - but it shouldn't be at the cost of other users' sensitive information.，更多细节参见搜狗输入法下载
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As porn sites apply new age checks, will users hand over personal ID?
63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54。关于这个话题，同城约会提供了深入分析
If you look at all of the JS glue code for the single call to console.log above, you’ll see that there is a lot of overhead. Engines have spent a lot of time optimizing this, and more work is underway. Yet this problem still exists. It doesn’t affect every workload, but it’s something every WebAssembly user needs to be careful about.