2015年6月8日
[LeetCode] Two Sum II - Input array is sorted
摘要： Problem Description:Given an array of integers that is alreadysorted in ascending order, find two numbers such that they add up to a specific target n... 阅读全文
posted @ 2015-06-08 23:11 jianchao-li 阅读(283) 评论(0) 推荐(0)
[LeetCode] Linked List Cycle II
摘要： Again, a classic interview question of linked list. Similar to Linked List Cycle, we maintain two pointers fast and slow: fastmove two steps at one ti... 阅读全文
posted @ 2015-06-08 22:26 jianchao-li 阅读(200) 评论(0) 推荐(0)
[LeetCode] Linked List Cycle
摘要： A classic interview question of linked list. The idea is to maintain two pointers, one move one step at a time and the other move two steps at a time.... 阅读全文
posted @ 2015-06-08 22:06 jianchao-li 阅读(165) 评论(0) 推荐(0)
[LeetCode] Longest Palindromic Substring
摘要： This problem has a long story. There are just too many solutions on the web and it can be studied for a long time before you fully grasp it. Morever, ... 阅读全文
posted @ 2015-06-08 21:57 jianchao-li 阅读(321) 评论(0) 推荐(0)
[LeetCode] Two Sum
摘要： This is a classic problem for hash table. The basic idea is to maintain a hash table for each element innums, using the element as key and its index (... 阅读全文
posted @ 2015-06-08 17:22 jianchao-li 阅读(208) 评论(0) 推荐(0)
[LeetCode] Rectangle Area
摘要： Well, this problem looks easy at first glance. However, to get a bug-free code may be not that easy.The total square is simply equal to the sum of the... 阅读全文
posted @ 2015-06-08 14:24 jianchao-li 阅读(330) 评论(0) 推荐(0)