说明:有n个人围成一圈,顺序编号。从第一个人开始报数(从1到3),凡报到3的人退出圈子,问最后一个圈中的人的编号?-n personal cordons of serial numbers. Started from the first report (from 1-3), who reported three people from the circle, asking a final lap of the numbers? <黄逸> 在 上传
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说明:将某个数或字符按照某种规律插入一列数或字符中-or to a certain number of characters in accordance with the laws of some insert one or several characters <杨扬> 在 上传
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