摘要：
Problem link adress:http://acm.hdu.edu.cn/showproblem.php?pid=1241These days I have encountered some problems when I was doing the searching problems;May those problem need to use the DFS algorithm! So I started to learning the DFS:Lots of friends saysthis probelm is a simple DFS problem, so I have 阅读全文
posted @ 2013-03-13 11:20
heat nan
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