Jessica程序猿 - 博客园

2014年11月27日

摘要： Givennpairs of parentheses, write a function to generate all combinations of well-formed parentheses.For example, givenn= 3, a solution set is:"((()))... 阅读全文

posted @ 2014-11-27 10:54 Jessica程序猿阅读(228) 评论(0) 推荐(0) 编辑

Combinations

摘要： Given two integersnandk, return all possible combinations ofknumbers out of 1 ...n.For example,Ifn= 4 andk= 2, a solution is:[ [2,4], [3,4], [2,3],... 阅读全文

posted @ 2014-11-27 10:32 Jessica程序猿阅读(146) 评论(0) 推荐(0) 编辑

Combination Sum II

摘要： Given a collection of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.Each number ... 阅读全文

posted @ 2014-11-27 09:59 Jessica程序猿阅读(178) 评论(0) 推荐(0) 编辑

Combination Sum

摘要： Given a set of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.Thesamerepeated num... 阅读全文

posted @ 2014-11-27 09:13 Jessica程序猿阅读(197) 评论(0) 推荐(0) 编辑

2014年11月26日

Candy

摘要：动态规划：There areNchildren standing in a line. Each child is assigned a rating value.You are giving candies to these children subjected to the following ... 阅读全文

posted @ 2014-11-26 22:46 Jessica程序猿阅读(268) 评论(0) 推荐(0) 编辑

Divide Two Integers

摘要： Divide two integers without using multiplication, division and mod operator.思路：这道题属于数值处理的题目，对于整数处理的问题，在Reverse Integer中我有提到过，比较重要的注意点在于符号和处理越界的问题。对于这道... 阅读全文

posted @ 2014-11-26 21:54 Jessica程序猿阅读(159) 评论(0) 推荐(0) 编辑

LRU Cache

摘要： Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.get(key)- Get the valu... 阅读全文

posted @ 2014-11-26 17:24 Jessica程序猿阅读(393) 评论(0) 推荐(0) 编辑

Max Points on a Line

摘要： Givennpoints on a 2D plane, find the maximum number of points that lie on the same straight line.参考：http://blog.csdn.net/doc_sgl/article/details/17103... 阅读全文

posted @ 2014-11-26 16:22 Jessica程序猿阅读(161) 评论(0) 推荐(0) 编辑

Recover Binary Search Tree

摘要： Two elements of a binary search tree (BST) are swapped by mistake.Recover the tree without changing its structure.Note:A solution using O(n) space is ... 阅读全文

posted @ 2014-11-26 10:50 Jessica程序猿阅读(216) 评论(0) 推荐(0) 编辑

Copy List with Random Pointer

摘要： A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null.Return a deep copy ... 阅读全文

posted @ 2014-11-26 09:27 Jessica程序猿阅读(161) 评论(0) 推荐(0) 编辑

Jessica要努力了。。

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