圈的最小平均值，看讨论里原题
by wxl12 @ 2017-10-17 20:42:48
@[wxl12](/space/show?uid=48541) 挖坟了，那人早A了
by λᴉʍ @ 2017-10-17 20:43:38
@kkksc03，@icy，@lin\_toto
by 雨落 @ 2017-10-28 16:54:01