When a bounded buffer fills up and a producer wants to write more, there are only a few things you can do:
// 本地测试示例：head = [2,1,5] → 输出 [5,5,0]。关于这个话题，爱思助手下载最新版本提供了深入分析
，更多细节参见搜狗输入法2026
경복궁도 문 닫게 만든 BTS 광화문 공연… 26만명 몰린다。爱思助手下载最新版本对此有专业解读
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