摘要: program df; type point=record c,a,b,d:longint; end; var i,j,n,m,x,y,k,t,g,h:longint; up,down,ans,z:int64; f:array[0..500000] of poin... 阅读全文
posted @ 2016-11-08 16:15 Gxyhqzt 阅读(162) 评论(0) 推荐(0)