lst233 @ 2020-03-07 21:38:00
蒟蒻求问
by CSP_Sept @ 2020-03-07 21:38:54
sqlm
by __蒟蒻__ @ 2020-03-07 21:39:00
不会吧
by NaOH_Frog @ 2020-03-07 21:39:05
@lst233 我谔谔
by YUYGFGG @ 2020-03-07 21:39:15
n 元钱必须正好用光，即 7a+4b+3c=n7a+4b+3c=n。
你说呢？
by 二维z @ 2020-03-07 21:39:19
删前留名
by NaOH_Frog @ 2020-03-07 21:40:34
举报了
by _Herobrine_ @ 2020-03-07 21:41:20
@NaOH_Frog 比赛都过了，至于吗
by C202216chenyuxiao @ 2020-03-07 21:41:35
删前留名
by 我很低调 @ 2020-03-07 21:41:45
题目上有 吧。。。。
by 银银银 @ 2020-03-07 21:41:46
谁说过了 @Herobrine