~~距离222222号帖子还有26个~~
by 傅天宇 @ 2020-05-06 21:02:15
@[唯有呵呵](/user/306443) 您的数学真棒!
222222-222198居然等于26
by tangrunxi @ 2020-05-06 21:03:29
@[KevinYao](/user/312811) 有二维差分这个东西,看我blog
by JRzyh @ 2020-05-06 21:26:58
@[tangrunxi](/user/231147) 咳咳,小问题
by 傅天宇 @ 2020-07-18 14:10:55