Online Judge | Problem Set | Authors | Online Contests | User | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Web Board Home Page F.A.Qs Statistical Charts | Current Contest Past Contests Scheduled Contests Award Contest |
Re:3740老是wa?是不是我理解题意有问题啊?请大牛进来指点下!In Reply To:3740老是wa?是不是我理解题意有问题啊?请大牛进来指点下! Posted by:wskiwwwx at 2009-08-23 14:27:16 我的理解。。。 能找出一些行 使得这些行组成的matrix的每一列都有一个1 而且只能有一个1 4 4 0 1 0 0 1 0 1 0 0 0 0 0 1 0 1 0 这个第4列 全是0。。。应该是impossible吧。。。 不过我也没过 一直WA。。。 Followed by:
Post your reply here: |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator