???
by 已注销HeBhs37KwrDer @ 2019-11-10 22:06:39
你d到(m,m)的时候把flag记为无法到达...
by Binah @ 2019-11-10 22:08:16
if(f) cout<<minn;
|
V
if(!f) cout<<minn;
by Binah @ 2019-11-10 22:08:49