if (right - left <= 1) return; // 只有一个元素，无需排序
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СюжетЗимняя Олимпиада-2026:
二、大力组织开展面向大学生的科普工作
3014271310http://paper.people.com.cn/rmrb/pc/content/202602/28/content_30142713.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/28/content_30142713.html11921 确保学习教育取得实效（树立和践行正确政绩观）