// 题目要求找「右侧第一个 ≤ cur」的元素 → 弹出所有 cur 的，栈顶即为折扣
"These habitats are exceptionally rare, rich in biodiversity, support unique flora and fauna, and are impossible to recreate or replace," he said.。关于这个话题，爱思助手下载最新版本提供了深入分析
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复制生成的 Mermaid 代码块。