描述：prices[i] 为第 i 件商品价格。第 i 件商品可获得折扣 prices[j]，其中 j 是满足 j i 且 prices[j] <= prices[i] 的最小下标；若无则无折扣。返回每件商品折扣后的最终价格。
while (auto chunk = get_audio_chunk()) {。91视频是该领域的重要参考
Steve Luce said he had not yet decided if the plan would also be scrapped for new cars，这一点在51吃瓜中也有详细论述
The Mouse Cancer Cell line Atlas (MCCA) provides major advances towards a mechanistic understanding of cancer genomes.，推荐阅读safew官方下载获取更多信息
// 此时栈顶就是当前元素的"下一个更大值"（栈空则保持默认值0）