Competitive Programming 💻 🚀

About

This repository is where I put my solutions to problems mainly from LeetCode platform, I try to document each solution and explain how it works.

Table of Content

I put together this table as an index to make it easier to navigate the repo, I keep updating it along the way.

Note: Click the green check marks to go to source code.

Algorithms

#	Title	🐍	C++	GO	Difficulty
1	Two Sum	✔️	✔️	✔️	Easy
3	Longest Substring Without Repeating Characters	✔️	✔️	❌	Medium
6	Zigzag Conversion	✔️	❌	❌	Medium
9	Palindrome Number	❌	✔️	❌	Easy
11	Container With Most Water	✔️	❌	❌	Medium
13	Roman to Integer	✔️	❌	❌	Easy
14	Longest Common Prefix	✔️	❌	❌	Easy
20	Valid Parentheses	❌	✔️	❌	Easy
26	Remove Duplicates from Sorted Array	✔️	❌	❌	Easy
35	Search Insert Position	✔️	❌	❌	Easy
36	Valid Sudoku	✔️	❌	❌	Medium
49	Group Anagrams	❌	❌	✔️	Medium
53	Maximum Subarray	✔️	❌	❌	Easy
66	Plus One	✔️	❌	❌	Easy
71	Simplify Path	❌	✔️	❌	Medium
74	Search a 2D Matrix	✔️	❌	❌	Medium
88	Merge Sorted Array	✔️	❌	❌	Easy
118	Pascal's Triangle	✔️	❌	❌	Easy
121	Best Time to Buy and Sell Stock	✔️	❌	❌	Easy
141	Linked List Cycle	✔️	✔️	❌	Easy
175	Combine Two Tables	❌	❌	❌	Easy
217	Contains Duplicate	✔️	✔️	✔️	Easy
238	Product of Array Except Self	❌	❌	✔️	Medium
242	Valid Anagram	✔️	✔️	✔️	Easy
350	Intersection of Two Arrays II	✔️	❌	❌	Easy
278	First Bad Version	✔️	❌	❌	Easy
347	Top K Frequent Elements	❌	❌	✔️	Medium
383	Ransom Note	✔️	❌	❌	Easy
387	First Unique Character in a String	✔️	❌	❌	Easy
509	Fibonacci Number	✔️	❌	❌	Easy
566	Reshape the Matrix	✔️	❌	❌	Easy
704	Binary Search	✔️	❌		Easy
997	Find the Town Judge	✔️	❌	❌	Easy

Database

#	Title	SQL	Difficulty
176	Second Highest Salary	✔️	Medium
177	Nth Highest Salary	✔️	Medium
181	Employees Earning More Than Their Managers	✔️	Easy
182	Duplicate Emails	✔️	Easy
183	Customers Who Never Order	✔️	Easy
184	Department Highest Salary	✔️	Medium
196	Delete Duplicate Emails	✔️	Easy