2015 年 9月 2 日随笔档案 - 聆听V风声

[leetcode 18]4Sum

摘要： 1 题目：Given an arraySofnintegers, are there elementsa,b,c, anddinSsuch thata+b+c+d= target? Find all unique quadruplets in the array which gives the su... 阅读全文

posted @ 2015-09-02 22:04 聆听V风声阅读(157) 评论(0) 推荐(0) 编辑

[leetcode 19] Remove Nth Node From End of List

摘要： 1 题目Given a linked list, remove thenthnode from the end of list and return its head.For example, Given linked list: 1->2->3->4->5, and n = 2. Afte... 阅读全文

posted @ 2015-09-02 19:29 聆听V风声阅读(115) 评论(0) 推荐(0) 编辑

[leetcode 17]Letter Combinations of a Phone Number

摘要： 1 题目：Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the tel... 阅读全文

posted @ 2015-09-02 16:00 聆听V风声阅读(149) 评论(0) 推荐(0) 编辑

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2015年9月2日