2016年9月2日

【LeetCode】389. Find the Difference

摘要： 题目： Given two strings s and t which consist of only lowercase letters. String t is generated by random shuffling string s and then add one more letter 阅读全文

posted @ 2016-09-02 14:13 医生工程师 阅读(185) 评论(0) 推荐(0)

【LeetCode】202. Happy Number

摘要： 题目： Write an algorithm to determine if a number is "happy". A happy number is a number defined by the following process: Starting with any positive in 阅读全文

posted @ 2016-09-02 11:41 医生工程师 阅读(137) 评论(0) 推荐(0)

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