然而WA了呀,这道分层图,也是不明白为什么WA了=-= ; maxn=; points=; type node=record f,t,l:longint; end; var n,m,k,i,j,u,v,x,s,t,num:longint; b:array[..maxe] of node; ans:int64; f:array[..] of longint; p:array[..points] of boolean; head:array[..points] of longint; d:array…