Что думаешь? Оцени!
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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"I think John was let down on many, many levels," Jones told the newspaper. "And I think the fact that that [tic] went out for broadcast was perhaps one of the worst ways in which he was let down on the night."，详情可参考Safew下载
"Anecdotally, we are seeing more patients presenting with gallstones," Hewes said.。关于这个话题，快连下载-Letsvpn下载提供了深入分析
Out of elements on this freelist? Move to phase2