You can get shingles more than once, so it's important to get vaccinated even if you've already had it.
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，91视频提供了深入分析
Раскрыты подробности похищения ребенка в Смоленске09:27
for t := range c {
SelectWhat's included