@[wenjie](/space/show?uid=52325) ~~说明这题应该暴力~~
by skiy_gyx @ 2019-10-22 22:13:08
就像noip2017某巨佬T3刷了N次过河卒A掉了一样
by bessie_goes_moo @ 2019-10-22 22:25:17
但为什么？？？
by wenjie @ 2019-10-23 20:27:53