Reobrok_Kk @ 2024-11-09 18:45:18
rt
当 c1=='m'&&c2=='h'
时 add(u,v),add(u+n,v+n);
即可。(第二条边反着建)
by itisover @ 2024-11-09 18:50:07
这并不好笑
by Reobrok_Kk @ 2024-11-09 19:08:43
@itisover orz,edg老师带我进队
by Acerkaio @ 2024-11-09 19:09:18
@itisover orz,s11老师带我进队