把 if(n%10==2) 后的分号去掉
by flying_man @ 2022-11-07 17:51:23
再把 n/=10 后的花括号移到上面一行
by flying_man @ 2022-11-07 17:52:12
《if(n%10==2);》
还有n每次都要除以10，不是有2才除以10
by AAA404 @ 2022-11-07 18:01:29
@[flying_man](/user/290442) 好了，谢谢您嘞
by trouble0315 @ 2022-11-07 18:20:14
@[AAA404](/user/723198) 已成功，谢谢您嘞
by trouble0315 @ 2022-11-07 18:20:44