Greek: mostly fine, with exceptions
// 易错点4:栈空时要存-1(题目要求无更大值返回-1),而非直接存stack2.at(-1)(会得到undefined)。关于这个话题,同城约会提供了深入分析
,这一点在Line官方版本下载中也有详细论述
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1 day agoShareSave。51吃瓜对此有专业解读