Solving problems from LeetCode 🟢🟡🔴

Algorithms

1 - Two Sum 🟢
7 - Reverse Integer 🟡
9 - Palindrome Number 🟢
11 - Container With Most Water 🟡
14 - Longest Common Prefix 🟢
20 - Valid Parentheses 🟢
21 - Merge Two Sorted Lists 🟢
26 - Remove Duplicates from Sorted Array 🟢
27 - Remove Element 🟢 // TODO
28 - Find the Index of the First Occurrence in a String 🟢
35 - Search Insert Position 🟢
58 - Length of Last Word 🟢
66 - Plus One 🟢
83 - Remove Duplicates from Sorted List 🟢
88 - Merge Sorted Array 🟢
100 - Same Tree 🟢
101 - Symmetric Tree 🟢
104 - Maximum Depth of Binary Tree 🟢
108 - Convert Sorted Array to Binary Search Tree 🟢
111 - Minimum Depth of Binary Tree 🟢
121 - Best Time to Buy and Sell Stock 🟢
125 - Valid Palindrome 🟢
136 - Single Number 🟢
206 - Reverse Linked List 🟢
217 - Contains Duplicate 🟢
234 - Palindrome Linked List 🟢
242 - Valid Anagram 🟢
268 - Missing Number 🟢
344 - Reverse String 🟢
347 - Top K Frequent Elements 🟡
387 - First Unique Character in a String 🟢
485 - Max Consecutive Ones 🟢
605 - Can Place Flowers 🟢
841 - Keys and Rooms 🟡
844 - Backspace String Compare 🟢
941 - Valid Mountain Array 🟢
977 - Squares of a Sorted Array 🟢

Database

175 - Combine Two Tables 🟢
181 - Employees Earning More Than Their Managers 🟢
182 - Duplicate Emails 🟢
183 - Customers Who Never Order 🟢
196 - Delete Duplicate Emails 🟢
511 - Game Play Analysis I 🟢
577 - Employee Bonus 🟢
584 - Find Customer Referee 🟢
595 - Big Countries 🟢
596 - Classes More Than 5 Students 🟢
619 - Biggest Single Number 🟢
620 - Not Boring Movies 🟢
1050 - Actors and Directors Who Cooperated At Least Three Times 🟢
1068 - Product Sales Analysis I 🟢
1407 - Top Travellers 🟢