LeetCode 解题攻略——Kotlin

作者: 糕冷羊 | 来源:发表于2019-07-18 20:46 被阅读0次

LeetCode 解题攻略——Kotlin
【LeetCode】Fizz Buzz 解题报告
【LeetCode】Fizz Buzz 解题报告
LeetCode 数字题目汇总
LeetCode - Sum of Root To Leaf B
LeetCode 动态规划题目分类汇总
leetcode解题攻略02两数相加
leetcode解题攻略01两数之和
283. Move Zeroes
91. Decode Ways

引言

这篇文章的输出并不是作者计划好的，它来源于作者的一个习惯。这个习惯就是每周都会解决一道LeetCode的题目，从毕业至今一直保持着。最近突然发现每周的一道题和一篇解题思路的文章已经累积到60+，于是水到渠成地决定写下这篇汇总文章，既是对过去的总结，也希望能对他人有一些启发。

汇总

已经完成的LeetCode题目按问题难度汇总到下方的表格，分为Easy/Medium/Hard三部分，Title列点击题目可以跳转到该题答案和解题思路。

Easy

#	Title
717	1-bit and 2-bit Characters
804	Unique Morse Code Words
929	Unique Email Addresses
653	Two Sum IV - Input is a BST
709	To Lower Case
404	Sum of Left Leaves
905	Sort Array By Parity
922	Sort Array By Parity II
700	Search in a Binary Search Tree
938	Range Sum of BST
883	Projection Area of 3D Shapes
762	Prime Number of Set Bits in Binary Representation
852	Peak Index in a Mountain Array
876	Middle of the Linked List
771	Jewels and Stones
897	Increasing Order Search Tree
832	Flipping an Image
744	Find Smallest Letter Greater Than Target
760	Find Anagram Mappings
448	Find All Numbers Disappeared in an Array
942	DI String Match
944	Delete Columns to Make Sorted
696	Count Binary Substrings
538	Convert BST to Greater Tree
606	Construct String from Binary Tree
961	N-Repeated Element in Size 2N Array
977	Squares of a Sorted Array
965	Univalued Binary Tree
509	Fibonacci Number
985	Sum of Even Numbers After Queries
933	Number of Recent Calls
821	Shortest Distance to a Character
872	Leaf-Similar Trees
908	Smallest Range I
1002	Find Common Characters
836	Rectangle Overlap
783	Minimum Distance Between BST Nodes
303	Range Sum Query - Immutable
530	Minimum Absolute Difference in BST
645	Set Mismatch
1221	Split a String in Balanced Strings
1252	Cells with Odd Values in a Matrix
189	Rotate Array
896	Monotonic Array
1013	Partition Array Into Three Parts With Equal Sum
172	Factorial Trailing Zeroes
237	Delete Node in a Linked List
1185	Day of the Week
917	Reverse Only Letters
811	Subdomain Visit Count
1184	Distance Between Bus Stops

Medium

#	Title
861	Score After Flipping Matrix
950	Reveal Cards In Increasing Order
763	Partition Labels
921	Minimum Add to Make Parentheses Valid
807	Max Increase to Keep City Skyline
701	Insert into a Binary Search Tree
515	Find Largest Value in Each Tree Row
890	Find and Replace Pattern
814	Binary Tree Pruning
797	All Paths From Source to Target
894	All Possible Full Binary Trees
399	Evaluate Division
328	Odd Even Linked List
16	3Sum Closest
147	Insertion Sort List
802	Find Eventual Safe States
59	Spiral Matrix II
162	Find Peak Element
56	Merge Intervals
831	Masking Personal Information
725	Split Linked List in Parts
855	Exam Room
791	Custom Sort String
1038	Binary Search Tree to Greater Sum Tree
380	Insert Delete GetRandom O(1)
516	Longest Palindromic Subsequence
1008	Construct Binary Search Tree from Preorder Traversal
93	Restore IP Addresses
912	Sort an Array
63	Unique Paths II
910	Smallest Range II
109	Convert Sorted List to Binary Search Tree
64	Minimum Path Sum
1282	Group the People Given the Group Size They Belong To
43	Multiply Strings
990	Satisfiability of Equality Equations
655	Print Binary Tree
260	Single Number III
1238	Circular Permutation in Binary Representation
667	Beautiful Arrangement II
1006	Clumsy Factorial
113	Path Sum II
769	Max Chunks To Make Sorted
962	Maximum Width Ramp
462	Minimum Moves to Equal Array Elements II
98	Validate Binary Search Tree
1395	Count Number of Teams
1315	Sum of Nodes with Even-Valued Grandparent
1637	Widest Vertical Area Between Two Points Containing No Points
1302	Deepest Leaves Sum
1329	Sort the Matrix Diagonally
1325	Delete Leaves With a Given Value

Hard

#	Title
57	Insert Interval
446	Arithmetic Slices II - Subsequence
410	Split Array Largest Sum
51	N-Queens
928	Minimize Malware Spread II
943	Find the Shortest Superstring
312	Burst Balloons
330	Patching Array
1206	Design Skiplist
32	Longest Valid Parentheses

总结

不积跬步，无以至千里；不积小流，无以成江海。作者毕业至今保持着每周一道LeetCode的习惯，不知不觉中已经完成了100+的题目。通过梳理题目，总结解题思路，解题的效率也越来越高，效果还是很明显的。很推荐大家通过做LeetCode题目的方式保持思维的活跃，从枯燥的业务中适当释放一下，既能提高逻辑思维能力，也能提高对算法和数据结构的理解。

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LeetCode 解题攻略——Kotlin

引言

汇总

Easy

Medium

Hard

总结

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