My Leetcode Journey

• I share my solutions and thoughts for every Leetcode question I solve.

• Some solutions are my interpretations of other people's solution because I could not solve the problem in time.

• Not every solution is written by m .

• If I find a better solution, I will include it into my repository including the link to the original solution.

• This repository is used to record my journey on Leetcode.

#	Title	Tags	Solution	Difficulty
1	Two Sum	Hash Table	Python, C++	Easy
20	Valid Parentheses	String	Python, C++	Easy
36	Valid Sudoku	Array, Hash table	Python, C++/	Medium
49	Group Anagrams	Hash Table, Sorting	Python, C++	Medium
128	Longest Consecutive Sequence	Array, Hash table, Union find	Python, C++	Medium
217	[Contains Duplicates](https://leetcode.com/problems/ ontains-duplicate/description/)	Hash Table	Python, C++	Easy
238	Product of Array Except Self	Array, Prefix sum	Python, C++	Medium
242	Valid Anagram	Hash Table, String	Python, C++	Easy
344	Reverse String	Two pointers	Python, C++	Easy
347	Top K Frequent Elements	Hash Table, Bucket Sort, Heap, Divide and conquer	Python, C++	Medium
442	Find All Duplicates In An Array	Array, Hash Table	Python, C++	Medium
535	Encode and Decode TinyURL	Hash table	Python, C++	Medium
557	Reverse Words in a String III	Two pointers, string, (stack)	Python, C++	Easy
(F)763	Partion Labels	Hashmaps, two pointers	Python, C++	Medium
771	Jewels And Stones	Hash table	Python, C++	Easy
804	Unique Morse Code Words		Python, C++	Easy
832	Flipping an Image	Python, C++	array, two pointers, bit manipulation, matrix	Easy
905	Sort Array By Parity	Two pointers	Python, C++	Easy
942	DI String Match	Two pointers, string	Python, C++	Easy
977	Squares of a Sorted Array	Two pointers, sorting	Python, C++	Easy
1108	Defanging an IP Address		PythonC++	Easy
1221	Split a String in Balanced Strings		Python, C++	Easy
1282	Group the People Given the Group Size They Belong To		python, C++	Medium
1332	Remove Palindromic Subsequences	Two pointers, string	Python, C++	East
1347	Minimum Number of Steps to Make Two Strings Anagram		Python, C++	Medium
1365	How Many Numbers Are Smaller Than the Current Number		Python, C++	Easy
1470	Shuffle the Array		Python, C++	Easy
1476	Subrectangle Queries		Python, C++	Medium
1512	Number of Good Pairs		Python, C++	Easy
1528	Shuffle String		Python, C++	Easy
1630	Arithmetic Subarrays		Python, C++	Medium
1637	Widest Vertical Area Between Two Points Containing No Points		Python, C++	Easy
1656	Design an Ordered Stream		Python, C++	Easy
1662	Check If Two String Arrays are Equivalent		Python, C++	Easy
1672	Richest Customer Wealth		Python, C++	Easy
1678	Goal Parser Interpretation		Python, C++	Easy
1768	Merge Strings Alternately	Two pointers, string	Python, C++	Easy
1769	Minimum Number of Operations to Move All Balls to Each Box		Python, C++	medium
1773	Count Items Matching a Rule		Python, C++	Easy
1684	Count the Number of Consistent Strings		Python, C++	Easy
1689	Partitioning Into Minimum Number Of Deci-Binary		Python, C++	Medium
1816	Truncate Sentence		Python, C++	Easy
1832	Check if the Sentence Is Pangram		Python, C++	Easy
1877	Minimize Maximum Pair Sum in Array	Sorting, two pointers	Python, C++	Medium
1920	Build Array from Permutation		Python, C++	Easy
1929	Concatenation of Array		Python, C++	Easy
2000	Reverse Prefix of Word	Two pointers, string	Python, C++	Easy
2006	Count Number of Pairs With Absolute Difference K		Python, C++	Easy
2011	Final Valueof Variable After Performing Operations		Python, C++	Easy
2103	Rings and Rods		Python, C++	Easy
2108	Find First Palindromic String in the Array		Python, C++	Easy
2114	Maximum Number of Words Found in Sentences		Python, C++	Easy
2125	Number of Laser Beams in a Bank		Python, C++	Medium
2149	Rearrange Array Elements by Sign		Python, C++	Medium
2161	Partition Array According to Given Pivot		Python, C++	Medium
2194	Cells in a Range on an Excel Sheet		Python, C++	Easy
2325	Decode The Message		Python, C++	Easy
2367	Number of Arithmetic Triplets		Python, C++	Easy
2391	Minimum Amount of Time to Collect Garbage		Python, C++	Medium
2396	Strictly Palindromic Number		Python, C++	Medium
2433	Find The Original Array of Prefix Xor		Python, C++	Medium
2610	Convert an Array Into a 2D Array With Conditions		Python, C++	Medium
2657	Find the Prefix Common Array of Two Arrays		Python, C++	Medium
2697	Lexicographically Smallest Palindrome	Two pointers	Python, C++	Easy
2744	Find Maximum Number of String Pairs		Python, C++	Easy
2750	Merge Two 2D Arrays by Summing Values	Two pointers, Hash table	Python, C++	Easy
2798	Number of Employees Who Met the Target		Python, C++	Easy
2824	Count Pairs Whose Sum is Less than Target		Python, C++	Easy
2913	Subarrays Distinct Element Sum of Squares I		Python, C++	Easy
2942	Find Words Containing Character		Python, C++	Easy
2956	Find Common Elements Between Two Arrays		Python, C++	Easy