可以尝试把手写二分换成STL，本蒟蒻刚才全是WA，换成STL后就AC了，你也可以试一下
by thesadbee @ 2024-03-27 22:38:27
@[thesadbee](/user/1149836) Thanks!!!!!!!!!!!!!!!!!!!!!!AC了！
by LQ_Q @ 2024-04-01 21:48:44
666
by Martin07 @ 2024-04-14 14:31:36