摘要: type arr=record u,v,w,nt:longint; end; var i,j,m,n,x,y:longint; ans:int64; a:array[0..200008] of arr; fa:array[0..200008] of longint; function find(x:longint):longint; beg... 阅读全文
posted @ 2015-03-10 12:51 rpSebastian 阅读(263) 评论(0) 推荐(0) 编辑