10楼: Originally posted by alijiejie521 at 2015-01-09 12:08:21
将选项A带入，则学生总数在41～45之间，选择最大值45进行验证。45人满足3人一排时比2人一排的队列数少8排，但排成4人一排的队列数比3人一排的队列数少3排，顾45人不正确。并且此时4人一排的队列比3人一排的队 ...

11楼: Originally posted by goodluck83 at 2015-01-09 18:15:02
那最开始数字是怎么选取的？
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