42. Trapping Rain Water 接雨水问题Given n non-negative integers representing an elevation ma...
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LeetCode42. Trapping Rain Water
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LeetCode41. First Missing Positive
41. First Missing Positive 缺失的第一个正数 Given an unsorted integer array nums, return the sm...
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LeetCode39. Combination Sum
39. Combination Sum Given an array of distinct integers candidates and a target integer...
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LeetCode35. Search Insert Position
35. Search Insert Position Given a sorted array of distinct integers and a target value...
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LeetCode34. Find First and Last Position of Element in Sorted Array
34. Find First and Last Position of Element in Sorted Array Given an array of integers ...
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LeetCode33. Search in Rotated Sorted Array
33. Search in Rotated Sorted Array 寻找旋转排序数组 There is an integer array nums sorted in as...
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LeetCode32. Longest Valid Parentheses
32. Longest Valid Parentheses 最长合适的配对括号 Given a string containing just the characters '...
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LeetCode31. Next Permutation
31. Next Permutation 下一排列 A permutation of an array of integers is an arrangement of it...
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LeetCode25. Reverse Nodes in k-Group
25. Reverse Nodes in k-Group Given the head of a linked list, reverse the nodes of the ...
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LeetCode24. Swap Nodes in Pairs
24. Swap Nodes in Pairs 交换链表中的节点 Given a linked list, swap every two adjacent nodes and...
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LeetCode23 Merge k Sorted Lists
Merge k Sorted Lists 合并k个有序列表 You are given an array of k linked-lists lists, each link...
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LeetCode22 Generate Parentheses
22. Generate Parentheses 生成括号 Given n pairs of parentheses, write a function to generat...
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LeetCode21 Merge Two Sorted Lists
21. Merge Two Sorted Lists You are given the heads of two sorted linked lists list1 and...
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LeetCode 20 Valid Parentheses
20. Valid Parentheses Given a string s containing just the characters '(', ')', '{', '}...
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LeetCode19 Remove Nth Node From End of List
19.Remove Nth Node From End of List Given the head of a linked list, remove the nth nod...
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LeetCode 17 Letter combinations of a Phone Number
17.Letter Combinations of a Phone Number Given a string containing digits from 2-9 incl...
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LeetCode 15 3Sum
15.3Sum Given an integer array nums, return all the triplets [nums[i], nums[j], nums[k]...
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LeetCode 11
11.Container With Most Water 水最多的容器问题 You are given an integer array height of length n...
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LeetCode 10
10. Regular Expression Matching 正则表达式的匹配 Given an input string s and a pattern p, imple...
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LeetCode 5
5. Longest Palindromic Substring Given a string s, return the longest palindromic subst...