int pivotIdx = partition(arr, low, high); // 分区并获取pivot位置
多民族居住地区的居民委员会，应当支持和引导居民增进团结、互相尊重、互相帮助。
。关于这个话题，搜狗输入法下载提供了深入分析
1. 选基准：随机选一个元素作为基准(pivot)。heLLoword翻译官方下载对此有专业解读
He taught himself to use digital tools, such as Photoshop, to design clothes he would want to wear and shared the ideas on TikTok.