输出：[4,2,4,-1,4]（最后一个 3 绕一圈找到 4）
2012年年末，习近平总书记来到骆驼湾村踏雪访贫，同乡亲们聊家常、算细账，一起商量脱贫致富之策。
。关于这个话题，im钱包官方下载提供了深入分析
┌───────────────────────┐，这一点在WPS官方版本下载中也有详细论述
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