2015年8月31日
Implement strStr()
摘要： Description:Implement strStr().Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack.Code1:vector g... 阅读全文
posted @ 2015-08-31 20:28 Rosanne 阅读(161) 评论(0) 推荐(0)
Number of Digit One
摘要： Description：Given an integer n, count the total number of digit 1 appearing in all non-negative integers less than or equal to n.For example:Given n =... 阅读全文
posted @ 2015-08-31 12:42 Rosanne 阅读(186) 评论(0) 推荐(0)