DataStructure-Algorithm

In order to enhance my designing capability of normal algorithm, I make a plan, exercising algorithm everyday. So this repository is used for storing algorithm programs, which include LeetCode algorithms and Sword Offer algorithms, and using three kinds of program language(Java/C/C++) to achieve it. Ok, you can visit my leetcode home page for further details.

Algorithms Statistics

LeetCode Part(165)

#	Problems Description	Solutions	Difficulty	Beats	Notes
001	Two Sum	Java	Easy	44.24%
002	Add Two Numbers	Java	Medium	1.90%
003	Longest Substring Without Repeating Characters	Java	Medium	15.18%
004	Median of Two Sorted Arrays	Java	Hard	3.99%
005	Longest Palindromic Substring	Java	Medium	60.58%
006	ZigZag Conversion	Java	Medium	9.80%
007	Reverse Integer	Java	Easy
008	String to Integer (atoi)	Java	Medium	7.62%
009	Palindrome Number	Java	Easy
010	Regular Expression Matching	Java	Hard	28.10%
011	Container With Most Water	Java	Medium
012	Integer to Roman	Java	Medium
013	Roman to Integer	Java	Easy
014	Longest Common Prefix	Java	Easy
015	3Sum	Java	Medium
016	3Sum Closest	Java	Medium
017	Letter Combinations of a Phone Number	Java	Medium
018		Java	Medium
019	Remove Nth Node From End of List	Java	Medium
020	Valid Parentheses	Java	Easy
021	Merge Two Sorted Lists	Java	Easy
022	Generate Parentheses	Java	Medium
023	Merge k Sorted Lists	Java	Hard
024	Swap Nodes in Pairs	Java	Medium
025	Reverse Nodes in k-Group	Java	Hard
026	Remove Duplicates from Sorted Array	Java	Easy
027	Remove Element	Java	Easy
028	Implement strStr()	Java	Easy
029	Divide Two Integers	Java	Medium
030		Java	Hard
031	Next Permutation	Java	Medium	90.93%
032		Java	Hard
033	Search in Rotated Sorted Array	Java	Medium
034	Find First and Last Position of Element in Sorted Array	Java	Medium	12.01%
035	Search Insert Position	Java	Easy
036	Valid Sudoku	Java	Medium
037		Java	Hard
038	Count and Say	Java	Easy
039	Combination Sum	Java	Medium
040	Combination Sum II	Java	Medium
041	First Missing Positive	Java	Hard
042	Trapping Rain Water	Java	Hard
043	Multiply Strings	Java	Medium	93.79%	Note
044		Java	Hard
045		Java	Hard
046	Permutations	Java	Medium
047	Permutations II	Java	Medium
048	Rotate Image	Java	Medium
049	Group Anagrams	Java	Medium
050	Pow(x, n)	Java	Medium
051	N-Queens	Java	Hard	94.81%
053	Maximum Subarray	Java	Easy	21.99%
054	Spiral Matrix	Java	Medium	100.00%
055	Jump Game	Java	Medium	100.00%
056	Merge Intervals	Java	Medium	100.00%
057	Insert Interval	Java	Hard	68.57%
058	Length of Last Word	Java	Easy	2.35%
059	Spiral Matrix II	Java	Medium	100.00%
060	Permutation Sequence	Java	Medium	52.67%
061	Rotate List	Java	Medium	95.14%
062	Unique Paths	Java	Medium	100.00%
063	Unique Paths II	Java	Medium	100.00%
064	Minimum Path Sum	Java	Medium	93.82%
066	Plus One	Java	Easy	88.43%
067	Add Binary	Java	Easy	16.56%
069	Sqrt(x)	Java	Easy	64.35%
070	Climbing Stairs	Java	Easy	100.00%
071	Simplify Path	Java	Medium	86.48%
073	Set Matrix Zeroes	Java	Medium	100.00%
074	Search a 2D Matrix	Java	Medium	86.01%
075	Sort Colors	Java	Medium	90.91%
077	Combinations	Java	Medium	25.88%
078	Subsets	Java	Medium	91.35%
079	Word Search	Java	Medium	99.84%
080	Remove Duplicates from Sorted Array II	Java	Medium	100.00%
081	Search in Rotated Sorted Array II	Java	Medium	100.00%
083	Remove Duplicates from Sorted List	Java	Easy	94.28%
086	Partition List	Java	Medium	93.78%
088	Merge Sorted Array	Java	Easy	46.62%
089	Gray Code	Java	Medium	100.00%
090	Subsets II	Java	Medium	67.87%
091	Decode Ways	Java	Medium	64.48%
092	Reverse Linked List II	Java	Medium	100.00%
093	Restore IP Addresses	Java	Medium	99.55%
094	Binary Tree Inorder Traversal	Java	Medium	97.45%
095	Unique Binary Search Trees II	Java	Medium	98.99%
096	Unique Binary Search Trees	Java	Medium	100.00%
097	Interleaving String	Java	Hard	100.00%
098	Validate Binary Search Tree	Java	Medium	94.76%
099	Recover Binary Search Tree	Java	Hard	100.00%
100	Same Tree	Java	Easy	100.00%
106	Construct Binary Tree from Inorder and Postorder Traversal	Java	Medium	91.33%
107	Binary Tree Level Order Traversal II	Java	Easy	98.90%
148	Sort List	Java	Medium	30.94%

Contact me

Everyone who has a good idea can contact me for further exchange.

Email : shuaijunlan@gmail.com

Blog : https://shuaijunlan.github.io

Website : https://shuaijunlan.github.io/DataStructure-Algorithm/