[LeetCode] Leetcode (C ++/Java/Python/SQL), leetcodepython

[LeetCode] Leetcode (C ++/Java/Python/SQL), leetcodepython

All the latest questions can be found on my github. Welcome to star and watch ~
Updating ~~

Description

This series of questions includes algorithm questions on leetcode written in C ++/Java/Python and database questions on leetcode written in SQL.
Some questions have not been analyzed yet, so this time they are done.

Link:

My github
Leetcode Algorithms Problems
Leetcode Database Problems

CSDN question index Github question Index

(See my github recently)

I have solved 127/189 problems. (= w =)

#	Link to leetcode	Solutions	Note
001	Two Sum	Cpp Java Py	Bytes
002	Add Two Numbers	Cpp Java Py	Bytes
003	Longest Substring Without Repeating Characters	Cpp Java Py	Bytes
004	Median of Two Sorted Arrays	Cpp Java Py	Bytes
005	Longest Palindromic Substring	Cpp Java Py	Bytes
006	ZigZag Conversion	Cpp Java Py	Bytes
007	Reverse Integer	Cpp Java Py	Bytes
008	String to Integer	Cpp Java Py	Bytes
009	Palindrome Number	Cpp	-
010	Regular Expression Matching	Cpp	-
011	Container With Most Water	Cpp	-
012	Integer to Roman	Cpp	-
013	Roman to Integer	Cpp	-
014	Longest Common Prefix	Cpp	-
015	3Sum	Cpp	-
016	3Sum Closest	Cpp	-
017	Letter Combinations of a Phone Number	Cpp	-
018	4Sum	Cpp	-
019	Remove Nth Node From End of List	Cpp	-
020	Valid Parentheses	Cpp	-
021	Merge Two Sorted Lists	Cpp	-
022	Generate Parentheses	Cpp	-
023	Merge k Sorted Lists	Cpp	-
024	Swap Nodes in Pairs	Cpp	-
025	Reverse Nodes in k-Group	Cpp	-
026	Remove Duplicates from Sorted Array	Cpp	-
027	Remove Element	Cpp	-
028	Implement strStr ()	Cpp	-
029	Divide Two Integers	Cpp	-
030	Substring with Concatenation of All Words	Cpp	-
031	Next Permutation	Cpp	-
032	Longest Valid Parentheses	Cpp	-
033	Search in Rotated Sorted Array	Cpp	-
034	Search for a Range	Cpp	-
035	Search Insert Position	Cpp	-
036	Valid Sudoku	Cpp	-
037	Sudoku Solver	Cpp	-
038	Count and Say	Cpp	-
039	Combination Sum	Cpp	-
040	Combination Sum II	Cpp	-
041	First Missing Positive	Cpp	-
042	Trapping Rain Water	Cpp	-
043	Multiply Strings	Cpp	-
044	Wildcard Matching	Cpp	-
045	Jump Game II	Cpp	-
046	Permutations	Cpp	-
047	Permutations II	Cpp	-
048	Rotate Image	Cpp	-
049	Anagrams	Cpp	-
050	Pow (x, n)	Cpp	-
051	N-Queens	Cpp Java Py	-
052	N-Queens II	Cpp Java Py	-
053	Maximum Subarray	Cpp	-
054	Spiral Matrix	Cpp	-
055	Jump Game	Cpp	-
056	Merge Intervals	Cpp	-
057	Insert Interval	Cpp	-
058	Length of Last Word	Cpp	-
059	Spiral Matrix II	Cpp	-
060	Permutation Sequence	Cpp	-
061	Rotate List	Cpp	-
062	Unique Paths	Cpp	-
063	Unique Paths II	Cpp	-
064	Minimum Path Sum	Cpp	-
065	Valid Number	Cpp Java Py	-
066	Plus One	Cpp	-
067	Add Binary	Cpp	-
068	Text Justification	-	-
069	Sqrt (x)	Cpp Java Py	-
070	Climbing Stairs	Cpp	-
071	Simplify Path	Cpp Java Py	-
072	Edit Distance	Cpp	-
073	Set Matrix Zeroes	Cpp	-
074	Search a 2D Matrix	Cpp	-
075	Sort Colors	Cpp	-
076	Minimum Window Substring	-	-
077	Combinations	Cpp	-
078	Subsets	Cpp Java Py	-
079	Word Search	Cpp	-
080	Remove Duplicates from Sorted Array II	Cpp	-
081	Search in Rotated Sorted Array II	Cpp	-
082	Remove Duplicates from Sorted List II	Cpp	-
083	Remove Duplicates from Sorted List	Cpp	-
084	Largest Rectangle in Histogram	-	-
085	Maximal Rectangle	-	-
086	Partition List	Cpp Java Py	-
087	Scramble String	-	-
088	Merge Sorted Array	Cpp	-
089	Gray Code	Cpp Java Py	-
090	Subsets II	Cpp Java Py	-
091	Decode Ways	Cpp Java Py	-
092	Reverse Linked List II	Cpp	-
093	Restore IP Addresses	-	-
094	Binary Tree Inorder Traversal	Cpp	-
095	Unique Binary Search Trees	Cpp	-
096	Unique Binary Search Trees II	-	-
097	Interleaving String	-	-
098	Validate Binary Search Tree	-	-
099	Recover Binary Search Tree	-	-
100	Same Tree	Cpp	-
101	Symmetric Tree	Cpp	-
102	Binary Tree Level Order Traversal	Cpp	-
103	Binary Tree Zigzag Level Order Traversal	-	-
104	Maximum Depth of Binary Tree	Cpp	-
105	Construct Binary Tree from Preorder and Inorder Traversal	-	-
106	Construct Binary Tree from Inorder and Postorder Traversal	-	-
107	Binary Tree Level Order Traversal II	Cpp	-
108	Convert Sorted Array to Binary Search Tree	-	-
109	Convert Sorted List to Binary Search Tree	-	-
110	Balanced Binary Tree	Cpp	-
111	Minimum Depth of Binary Tree	Cpp	-
112	Path Sum	Cpp	-
113	Path Sum II	Cpp Java Py	-
114	Flatten Binary Tree to Linked List	-	-
115	Distinct Subsequences	-	-
116	Populating Next Right Pointers in Each Node	Cpp Java Py	-
117	Populating Next Right Pointers in Each Node II	Cpp Java Py	-
118	Pascals Triangle	Cpp	-
119	Pascal's Triangle II	Cpp	-
120	Triangle	Cpp Java Py	-
121	Best Time to Buy and Buy Stock	-	-
122	Best Time to Buy and Stock II	-	-
123	Best Time to Buy and Buy Stock III	-	-
124	Binary Tree Maximum Path Sum	-	-
125	Valid Palindrome	Cpp	-
126	Word Ladder	-	-
127	Word Ladder II	-	-
128	Longest Consecutive Sequence	-	-
129	Sum Root to Leaf Numbers	Cpp	-
130	Surrounded Regions	-	-
131	Palindrome Partitioning	-	-
132	Palindrome Partitioning II	-	-
133	Clone Graph	Cpp	-
134	Gas Station	-	-
135	Candy	-	-
136	Single Number	Cpp	-
137	Single Number II	Cpp	-
138	Copy List with Random Pointer	-	-
139	Word Break	-	-
140	Word Break II	-	-
141	Linked List Cycle	Cpp	-
142	Linked List Cycle II	-	-
143	Reorder List	Cpp	-
144	Binary Tree Preorder Traversal	Cpp	-
145	Binary Tree Postorder Traversal	Cpp	-
146	LRU Cache	-	-
147	Insertion Sort List	Cpp	-
148	Sort List	-	-
149	Max Points on a Line	-	-
150	Evaluate Reverse Polish Notation	-	-
151	Reverse Words in a String	-	-
152	Maximum Product Subarray	Cpp	-
153	Find Minimum in Rotated Sorted Array	-	-
154	Find Minimum in Rotated Sorted Array II	-	-
155	Min Stack	Cpp	-
156	Binary Tree Upside Down	-	-
157	Read N Characters Given Read4	-	-
158	Read N Characters Given Read4 II-Call multiple times	-	-
159	Longest Substring with At Most Two Distinct Characters	-	-
160	Intersection of Two Linked Lists	Cpp	-
161	One Edit Distance	-	-
162	Find Peak Element	Cpp Java Py	-
163	Missing Ranges	-	-
164	Maximum Gap	-	-
165	Compare Version Numbers	Cpp	-
166	Fraction to Recurring Decimal	-	-
167	Two Sum II-Input array is sorted	-	-
168	Excel Sheet Column Title	Cpp Java Py	-
169	Majority Element	Cpp Java Py	-
170	Two Sum III-Data structure design	-	-
171	Excel Sheet Column Number	Cpp Java Py	-
172	Factorial Trailing Zeroes	Cpp Java Py	-
173	Binary Search Tree Iterator	-	-
174	Dungeon Game	-	-
175	Combine Two Tables	SQL	-
176	Second Highest Salary	SQL	-
177	Nth Highest Salary	-	-
178	Rank Scores	-	-
179	Largest Number	Cpp Java Py	-
180	Consecutive Numbers	-	-
181	Employees Earning More Than Their Managers	-	-
182	Duplicate Emails	SQL	-
183	Customers Who Never Order	-	-
184	Department Highest Salary	-	-
185	Department Top Three Salaries	-	-
186	Reverse Words in a String II	-	-
187	Repeated DNA Sequences	Cpp Java Py	-
188	Best Time to Buy and Buy Stock IV	-	-
189	Rotate Array	-	-

If you have any errors, please refer to them ~
Message or Email: iilluzen at google's mail service