摘要: Implement strStr(). Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. 判断子串needle 在主串haystack中首 阅读全文
posted @ 2017-10-26 10:38 __Meng 阅读(130) 评论(0) 推荐(0) 编辑