LeetCode Algorithms Questions List （LeetCode 算法题列表）- Java Solutions

Posted 2020-09-26 几米空间

　　因为在开始写这个博客之前，已经刷了100题了，所以现在还是有很多题目没有加进来，为了方便查找哪些没加进来，先列一个表可以比较清楚的查看，也方便给大家查找。如果有哪些题目的链接有错误，请大家留言和谅解，链多了会眼花。

 

#	Title	Category	Difficulty
1528	Shuffle String	Algorithms	Easy
1502	Can Make Arithmetic Progression From Sequence	Algorithms	Easy
1491	Average Salary Excluding the Minimum and Maximum Salary	Algorithms	Easy
1370	Increasing Decreasing String	Algorithms	Easy
1356	Sort Integers by The Number of 1 Bits	Algorithms	Easy
1221	Split a String in Balanced Strings	Algorithms	Easy
1219	Path with Maximum Gold	Algorithms	Easy
1122	Relative Sort Array	Algorithms	Easy
1108	Defanging an IP Address	Algorithms	Easy
1103	Distribute Candies to People	Algorithms	Easy
1047	Remove All Adjacent Duplicates In String	Algorithms	Easy
1046	Last Stone Weight	Algorithms	Easy
1041	Robot Bounded In Circle	Algorithms	Medium
1037	Valid Boomerang	Algorithms	Easy
1029	Two City Scheduling	Algorithms	Easy
1021	Remove Outermost Parentheses	Algorithms	Easy
1019	Next Greater Node In Linked List	Algorithms	Medium
1005	Maximize Sum Of Array After K Negations	Algorithms	Easy
1002	Find Common Characters	Algorithms	Easy
977	Squares of a Sorted Array	Algorithms	Easy
976	Largest Perimeter Triangle	Algorithms	Easy
970	Powerful Integers	Algorithms	Easy
961	N-Repeated Element in Size 2N Array	Algorithms	Easy
953	Verifying an Alien Dictionary	Algorithms	Easy
941	Valid Mountain Array	Algorithms	Easy
939	Minimum Area Rectangle	Algorithms	Medium
937	Reorder Data in Log Files	Algorithms	Easy
929	Unique Email Addresses	Algorithms	Easy
926	Flip String to Monotone Increasing	Algorithms	Medium
922	Sort Array By Parity II	Algorithms	Easy
917	Reverse Only Letters	Algorithms	Easy
893	Groups of Special-Equivalent Strings	Algorithms	Easy
876	Middle of the Linked List	Algorithms	Easy
860	Lemonade Change	Algorithms	Easy
852	Peak Index in a Mountain Array	Algorithms	Easy
844	Backspace String Compare	Algorithms	Easy
824	Goat Latin	Algorithms	Easy
819	Most Common Word	Algorithms	Easy
817	Linked List Components	Algorithms	Medium
811	Subdomain Visit Count	Algorithms	Easy
804	Unique Morse Code Words	Algorithms	Easy
788	Rotated Digits	Algorithms	Easy
784	Letter Case Permutation	Algorithms	Easy
781	Rabbits in Forest	Algorithms	Medium
771	Jewels and Stones	Algorithms	Easy
746	Min Cost Climbing Stairs	Algorithms	Easy
744	Find Smallest Letter Greater Than Target	Algorithms	Easy
739	Daily Temperatures	Algorithms	Medium
728	Self Dividing Numbers	Algorithms	Easy
725	Split Linked List in Parts	Algorithms	Medium
722	Remove Comments	Algorithms	Medium
720	Longest Word in Dictionary	Algorithms	Easy
709	To Lower Case	Algorithms	Easy
707	Design Linked List	Algorithms	Easy
704	Binary Search	Algorithms	Easy
706	Design HashMap	Algorithms	Easy
705	Design HashSet	Algorithms	Easy
698	Partition to K Equal Sum Subsets	Algorithms	Medium
697	Degree of an Array	Algorithms	Easy
695	Max Area of Island	Algorithms	Easy
690	Employee Importance	Algorithms	Easy
680	Valid Palindrome II	Algorithms	Easy
674	Longest Continuous Increasing Subsequence	Algorithms	Easy
665	Non-decreasing Array	Algorithms	Easy
661	Image Smoother	Algorithms	Easy
657	Judge Route Circle	Algorithms	Easy
648	Replace Words	Algorithms	Medium
645	Set Mismatch	Algorithms	Easy
643	Maximum Average Subarray I	Algorithms	Easy
633	Sum of Square Numbers	Algorithms	Easy
628	Maximum Product of Three Numbers	Algorithms	Easy
627	Swap Salary	Database	Easy
624	Maximum Distance in Arrays $	Algorithms	Easy
620	Not Boring Movies	Database	Easy
617	Merge Two Binary Trees	Algorithms	Easy
606	Construct String from Binary Tree	Algorithms	Easy
605	Can Place Flowers	Algorithms	Easy
604	Design Compressed String Iterator $	Algorithms	Easy
599	Minimum Index Sum of Two Lists	Algorithms	Easy
598	Range Addition II	Algorithms	Easy
596	Classes More Than 5 Students	Database	Easy
595	Big Countries	Database	Easy
594	Longest Harmonious Subsequence	Algorithms	Easy
581	Shortest Unsorted Continuous Subarray	Algorithms	Easy
575	Distribute Candies	Algorithms	Easy
572	Subtree of Another Tree	Algorithms	Easy
566	Reshape the Matrix	Algorithms	Easy
563	Binary Tree Tilt	Algorithms	Easy
562	Longest Line of Consecutive One in Matrix $	Algorithms	Medium
561	Array Partition I	Algorithms	Easy
560	Subarray Sum Equals K	Algorithms	Medium
557	Reverse Words in a String III	Algorithms	Easy
551	Student Attendance Record I	Algorithms	Easy
548	Split Array with Equal Sum $	Algorithms	Medium
543	Diameter of Binary Tree	Algorithms	Easy
541	Reverse String II	Algorithms	Easy
538	Convert BST to Greater Tree	Algorithms	Easy
533	Lonely Pixel II $	Algorithms	Medium
532	K-diff Pairs in an Array	Algorithms	Easy
531	Lonely Pixel I $	Algorithms	Medium
530	Minimum Absolute Difference in BST	Algorithms	Easy
524	Longest Word in Dictionary through Deleting	Algorithms	Medium
507	Perfect Number	Algorithms	Easy
501	Find Mode in Binary Search Tree	Algorithms	Easy
500	Keyboard Row	Algorithms	Easy
495	Teemo Attacking	Algorithms	Medium
485	Max Consecutive Ones	Algorithms	Easy
476	Number Complement	Algorithms	Easy
463	Island Perimeter	Algorithms	Easy
461	Hamming Distance	Algorithms	Easy
455	Assign Cookies	Algorithms	Easy
453	Minimum Moves to Equal Array Elements	Algorithms	Easy
451	Sort Characters By Frequency	Algorithms	Medium
448	Find All Numbers Disappeared in an Array	Algorithms	Easy
447	Number of Boomerangs	Algorithms	Easy
445	Add Two Numbers II	Algorithms	Medium
443	String Compression	Algorithms	Easy
442	Find All Duplicates in an Array	Algorithms	Medium
441	Arranging Coins	Algorithms	Easy
438	Find All Anagrams in a String	Algorithms	Easy
437	Path Sum III	Algorithms	Easy
415	Add Strings	Algorithms	Easy
414	Third Maximum Number	Algorithms	Easy
409	Longest Palindrome	Algorithms	Easy
405	Convert a Number to Hexadecimal	Algorithms	Easy
404	Sum of Left Leaves	Algorithms	Easy
400	Nth Digit	Algorithms	Easy
392	Is Subsequence	Algorithms	Easy
389	Find the Difference	Algorithms	Easy
387	First Unique Character in a String	Algorithms	Easy
381	Insert Delete GetRandom O(1) - Duplicates allowed	Algorithms	Hard
380	Insert Delete GetRandom O(1)	Algorithms	Medium
371	Sum of Two Integers	Algorithms	Easy
370	Range Addition $	Algorithms	Medium
367	Valid Perfect Square	Algorithms	Easy
359	Logger Rate Limiter $	Algorithms	Easy
350	Intersection of Two Arrays II	Algorithms	Easy
349	Intersection of Two Arrays	Algorithms	Easy
347	Top K Frequent Elements	Algorithms	Medium
346	Moving Average from Data Stream $	Algorithms	Easy
344	Reverse String	Algorithms	Easy
342	Power of Four	Algorithms	Easy
339	Nested List Weight Sum $	Algorithms	Easy
326	Power of Three	Algorithms	Easy
292	Nim Game	Algorithms	Easy
290	Word Pattern	Algorithms	Easy
289	Game of Life	Algorithms	Medium
287	Find the Duplicate Number	Algorithms	Medium
283	Move Zeroes	Algorithms	Easy
280	Wiggle Sort $	Algorithms	Medium
277	Find the Celebrity $	Algorithms	Medium
268	Missing Number	Algorithms	Easy
266	Palindrome Permutation $	Algorithms	Easy
263	Ugly Number	Algorithms	Easy
259	3Sum Smaller $	Algorithms	Medium
258	Add Digits	Algorithms	Easy
257	Binary Tree Paths	Algorithms	Easy
252	Meeting Rooms $	Algorithms	Easy
249	Group Shifted Strings $	Algorithms	Medium
246	Strobogrammatic Number $	Algorithms	Easy
245	Shortest Word Distance III $	Algorithms	Medium
243	Shortest Word Distance $	Algorithms	Easy
242	Valid Anagram	Algorithms	Easy
238	Product of Array Except Self	Algorithms	Medium
237	Delete Node in a Linked List	Algorithms	Easy
235	Lowest Common Ancestor of a Binary Search Tree	Algorithms	Easy
234	Palindrome Linked List	Algorithms	Easy
231	Power of Two	Algorithms	Easy
229	Majority Element II	Algorithms	Medium
228	Summary Ranges	Algorithms	Medium
226	Invert Binary Tree	Algorithms	Easy
219	Contains Duplicate II	Algorithms	Easy
217	Contains Duplicate	Algorithms	Easy
216	Combination Sum III	Algorithms	Medium
209	Minimum Size Subarray Sum	Algorithms	Medium
206	Reverse Linked List	Algorithms	Easy
205	Isomorphic Strings	Algorithms	Easy
204	Count Primes	Algorithms	Easy
203	Remove Linked List Elements	Algorithms	Easy
202	Happy Number	Algorithms	Easy
197	Rising Temperature	Database	Easy
196	Delete Duplicate Emails	Database	Easy
191	Number of 1 bits	Algorithms	Easy
190	Reverse Bits	Algorithms	Easy
189	Rotate Array	Algorithms	Easy
183	Custoers Who Never Order	Database	Easy
182	Duplicate Emails	Database	Easy
181	Employees Earning More Than Their Managers	Database	Easy
179	Largest Number	Algorithms	Medium
176	Second Highest Salary	Database	Easy
175	Combine Two Tables	Database	Easy
172	Factorial Trailing Zeroes	Algorithms	Easy
171	Excel Sheet Column Number	Algorithms	Easy
170	Two Sum III - Data structure design $	Algorithms	Easy
169	Majority Element	Algorithms	Easy
168	Excel Sheet Column Title	Algorithms	Easy
167	Two Sum II - Input array is sorted	Algorithms	Easy
163	Missing Ranges $	Algorithms	Medium
162	Find Peak Element	Algorithms	Medium
160	Intersection of Two Linked Lists	Algorithms	Easy
153	Find Minimum in Rotated Sorted Array	Algorithms	Medium
152	Maximum Product Subarray	Algorithms	Medium
150	Evaluate Reverse Polish Notation	Algorithms	Medium
147	Insertion Sort List	Algorithms	Medium
141	Linked List Cycle	Algorithms	Easy
136	Single Number	Algorithms	Easy
125	Valid Palindrome	Algorithms	Easy
122	Best Time to Buy and Sell Stock II	Algorithms	Easy
121	Best Time to Buy and Sell Stock	Algorithms	Easy
120	Triangle	Algorithms	Medium
119	Pascal\'s Triangle II	Algorithms	Easy
118	Pascal\'s Triangle	Algorithms	Easy
112	Path Sum	Algorithms	Easy
111	Minimum Depth of Binary Tree	Algorithms	Easy
110	Balanced Binary Tree	Algorithms	Easy
108	Convert Sorted Array to Binary Search Tree	Algorithms	Easy
107	Binary Tree Level Order Traversal II	Algorithms	Easy
106	Construct Binary Tree from Inorder and Postorder Traversal	Algorithms	Medium
105	Construct Binary Tree from Preorder and Inorder Traversal	Algorithms	Medium
104	Maximum Depth of Binary Tree	Algorithms	Easy
101	Symmetric Tree	Algorithms	Easy
100	Same Tree	Algorithms	Easy
90	Subsets II	Algorithms	Medium
88	Merge Sorted Array	Algorithms	Easy
83	Remove Duplicates from Sorted List	Algorithms	Easy
81	Search in Rotated Sorted Array II	Algorithms	Medium
80	Remove Duplicates from Sorted Array II	Algorithms	Medium
79	Word Search	Algorithms	Medium
78	Subsets	Algorithms	Medium
77	Combinations	Algorithms	Medium
75	Sort Colors	Algorithms	Medium
74	Search a 2D Matrix	Algorithms	Medium
73	Set Matrix Zeroes	Algorithms	Medium
69	Sqrt(x)	Algorithms	Easy
67	Add Binary	Algorithms	Easy
66	Plus One	Algorithms	Easy
64	Minimum Path Sum	Algorithms	Medium
63	Unique Paths II	Algorithms	Medium
62	Unique Paths	Algorithms	Medium
59	Spiral Matrix II	Algorithms	Medium
56	Merge Intervals	Algorithms	Medium
55	Jump Game	Algorithms	Medium
54	Spiral Matrix	Algorithms	Medium
53	Maximum Subarray	Algorithms	Easy
48	Rotate Image	Algorithms	Medium
47	Permutation II	Algorithms	Medium
46	Permutation	Algorithms	Medium
40	Combination Sum II	Algorithms	Medium
39	Combination Sum	Algorithms	Medium
35	Search Insert Position	Algorithms	Easy
34	Search for a Range	Algorithms	Medium
33	Search in Rotated Sorted Array	Algorithms	Medium
31	Next Permutation	Algorithms	Medium
27	Remove Element	Algorithms	Easy
26	Remove Duplicates from Sorted Array	Algorithms	Easy
24	Swap Nodes in Pairs	Algorithms	Medium
22	Generate Parentheses	Algorithms	Medium
21	Merge Two Sorted Lists	Algorithms	Easy
18	4Sum	Algorithms	Medium
17	Letter Combinations of a Phone Number	Algorithms	Medium
16	3Sum Closest	Algorithms	Medium
15	3Sum	Algorithms	Medium
11	Container With Most Water	Algorithms	Medium
9	Palindrome Number	Algorithms	Easy
8	String to Integer (atoi)	Algorithms	Medium
7	Reverse Integer	Algorithms	Easy
2	Add Two Numbers	Algorithms	Medium
1	Two Sum	Algorithms	Easy

 

 

题目来源：https://leetcode.com/