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提交了25次终于找到错在哪里。。。。

Posted by gzdk at 2011-09-09 20:45:36 on Problem 3083 and last updated at 2011-09-09 20:48:37 
原来初始化visited 数组时写成了
i从0 到row，j 从0 到col，
而row和col 表示的是开始点的坐标！！变量命名不好导致细节出错（把他们当成了总行数，总列数。。），还一直在检查算法是否有错，却是错在不容易引起注意的细节了。以后注意。马上50题了，加油！
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