摘要: Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?解题思路:突发奇想,脑洞大开。回路,自然是走到已经走过的地方,如何知道这个地方已经走... 阅读全文
posted @ 2014-12-11 23:16 ElephantKing 阅读(102) 评论(0) 推荐(0) 编辑