摘要：
题目描述：Longest Valid ParenthesesGiven a string containing just the characters'('and')', find the length of the longest valid (well-formed) parentheses s... 阅读全文
摘要：
题目要求：Substring with Concatenation of All WordsYou are given a string,S, and a list of words,L, that are all of the same length. Find all starting indi... 阅读全文
摘要：
题目要求：Divide Two IntegersDivide two integers without using multiplication, division and mod operator.If it is overflow, return MAX_INT.分析：不能用乘、除和取余，则只能... 阅读全文
摘要：
题目要求：Implement strStr()Implement strStr().Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack.Jav... 阅读全文
摘要：
题目要求：Remove ElementGiven an array and a value, remove all instances of that value in place and return the new length.The order of elements can be chan... 阅读全文
摘要：
题目描述：Remove Duplicates from Sorted ArrayGiven a sorted array, remove the duplicates in place such that each element appear onlyonceand return the new ... 阅读全文
摘要：
题目描述：Reverse Nodes in k-GroupGiven a linked list, reverse the nodes of a linked listkat a time and return its modified list.If the number of nodes is ... 阅读全文
摘要：
题目描述：Swap Nodes in PairsGiven a linked list, swap every two adjacent nodes and return its head.For example,Given1->2->3->4, you should return the list... 阅读全文
摘要：
题目要求：Merge k Sorted ListsMergeksorted linked lists and return it as one sorted list. Analyze and describe its complexity.AnalysisThe simplest solution... 阅读全文
摘要：
题目描述：Generate ParenthesesGivennpairs of parentheses, write a function to generate all combinations of well-formed parentheses.For example, givenn= 3, ... 阅读全文