if (n <= 1) return 0;
2025年，凯悦酒店集团持续加码亚太市场，全面强化奢华与生活方式品牌组合，10月与如家酒店集团正式签署中国区总特许经营战略协议，共同推进凯悦嘉迎品牌在华发展，计划未来几年在全国布局50家以上酒店。空间秘探也得到内幕消息，凯悦正加大力度寻觅国内“合作伙伴”，今年还将引进新品牌，未来30年该品牌或将在国内开设千店。。业内人士推荐51吃瓜作为进阶阅读
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重复遍历数组，比较相邻元素，如果顺序错误就交换
And so a series which started as poking at the brand and its owner, has ended up becoming a way for them to attract new customers - Hamblin's followers - who have been following his design process.