23-合并K个升序链表(Merge k Sorted Lists) 原文链接: https://leetcode-cn.com/problems/merge-k-sorted-lists 英文原文You are given an array of k linked-lists lists, each l 2021-12-03 分治堆(优先队列)归并排序链表 困难
24-两两交换链表中的节点(Swap Nodes in Pairs) 原文链接: https://leetcode-cn.com/problems/swap-nodes-in-pairs 英文原文Given a linked list, swap every two adjacent nodes 2021-12-03 递归链表 中等
25-K 个一组翻转链表(Reverse Nodes in k-Group) 原文链接: https://leetcode-cn.com/problems/reverse-nodes-in-k-group 英文原文Given a linked list, reverse the nodes of a linked 2021-12-03 递归链表 困难
26-删除有序数组中的重复项(Remove Duplicates from Sorted Array) 原文链接: https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array 英文原文Given an integer array nums sorted in n 2021-12-03 双指针数组 简单
28-实现 strStr()(Implement strStr()) 原文链接: https://leetcode-cn.com/problems/implement-strstr 英文原文Implement strStr(). Return the index of the first occurre 2021-12-03 双指针字符串字符串匹配 简单
29-两数相除(Divide Two Integers) 原文链接: https://leetcode-cn.com/problems/divide-two-integers 英文原文Given two integers dividend and divisor, divide two int 2021-12-03 位运算数学 中等
30-串联所有单词的子串(Substring with Concatenation of All Words) 原文链接: https://leetcode-cn.com/problems/substring-with-concatenation-of-all-words 英文原文You are given a string s and an a 2021-12-03 哈希表字符串滑动窗口 困难
31-下一个排列(Next Permutation) 原文链接: https://leetcode-cn.com/problems/next-permutation 英文原文Implement next permutation, which rearranges numbers into 2021-12-03 双指针数组 中等
32-最长有效括号(Longest Valid Parentheses) 原文链接: https://leetcode-cn.com/problems/longest-valid-parentheses 英文原文Given a string containing just the characters 2021-12-03 动态规划字符串栈 困难
33-搜索旋转排序数组(Search in Rotated Sorted Array) 原文链接: https://leetcode-cn.com/problems/search-in-rotated-sorted-array 英文原文There is an integer array nums sorted in asc 2021-12-03 二分查找数组 中等