March LeetCoding Challenge 2021

In this repository provided my Python solutions of March LeetCoding Challenge problems.

Introduction

In this repository provided my Python solutions of March LeetCoding Challenge problems.

I highly recommend you to try and solve problems yourself before look at the solutions here.
Solutions and approaches may be not optimal.
All Solutions here are in Python 3.

None

№	Title	Solution	Difficulty
575.	Distribute Candies	Python	Easy
645.	Set Mismatch	Python	Easy
268.	Missing Number	Python	Easy
160.	Intersection of Two Linked Lists	Python	Easy
637.	Average of Levels in Binary Tree	Python	Easy
820.	Short Encoding of Words	Python	Medium
706.	Design HashMap	Python	Easy

№	Title	Solution	Difficulty
1332.	Remove Palindromic Subsequences	Python	Easy
623.	Add One Row to Tree	Python	Medium
12.	Integer to Roman	Python	Medium
322.	Coin Change	~~Python~~	Medium
1461.	Check If a String Contains All Binary Codes of Size K	Python	Medium
823.	Binary Trees With Factors	~~Python~~	Medium
1721.	Swapping Nodes in a Linked List	Python	Medium

№	Title	Solution	Difficulty
535.	Encode and Decode TinyURL	Python	Medium
714.	Best Time to Buy and Sell Stock with Transaction Fee	~~Python~~	Medium
478.	Generate Random Point in a Circle	Python	Medium
376.	Wiggle Subsequence	Python	Medium
841.	Keys and Rooms	Python	Medium
1396.	Design Underground System	Python	Medium
869.	Reordered Power of 2	Python	Medium

№	Title	Solution	Difficulty
966.	Vowel Spellchecker	Python	Medium
923.	3Sum With Multiplicity	Python	Medium
870.	Advantage Shuffle	~~Python~~	Medium
417.	Pacific Atlantic Water Flow	~~Python~~	Medium
916.	Word Subsets	Python	Medium
647.	Palindromic Substrings	Python	Medium
423.	Reconstruct Original Digits from English	Python	Medium

№	Title	Solution	Difficulty
971.	Flip Binary Tree To Match Preorder Traversal	~~Python~~	Medium
354.	Russian Doll Envelopes	~~Python~~	Hard
936.	Stamping The Sequence	~~Python~~	Hard

The code is open-source and licensed under the MIT License.