Questions mostly obtained through neetcode

Checklist

Arrays & Hashing

• Contains Duplicate
• Valid Anagram
• Two Sum
• Group Anagrams 🥈
• Top K Frequent Elements 🥉
• Product of Array Except Self 🥈
• Valid Sudoku 🥇
• Encode and Decode Strings 🥇
• Longest Consecutive Sequence 🥈

Two Pointers

• Valid Palindrome 🥇
• Two Sum II 🥈 *
• 3Sum 🥈
• Container with Most Water 🥇
• Trapping Rain Water

Sliding Window

• Best Time to Buy & Sell Stock 🥉
• Longest Substring Without Repeating Characters 🥇
• Longest Repeating Character Replacement
• Permutation in String
• Minimum Window Substring
• Sliding Window Maximum

Stack

• Valid Parentheses 🥈
• Min Stack 🥈
• Evaluate Reverse Polish Notation 🥇
• Generate Parentheses 🥈
• Daily Temperatures 🥈
• Car Fleet
• Largest Rectangle In Histogram

Binary Search

• Binary Search 🥇
• Search a 2D Matrix
• Koko Eating Bananas
• Search In Rotated Sorted Array
• Find Minimum In Rotated Sorted Array
• Time Based Key Value Store
• Median of Two Sorted Arrays

Linked List

• Reverse Linked List 🥇
• Merge Two Sorted Lists
• Reorder List
• Remove Nth Node From End of List
• Copy List With Random Pointer
• Add Two Numbers
• Linked List Cycle
• Find The Duplicate Number
• LRU Cache
• Merge K Sorted Lists
• Reverse Nodes In K Group

Notes

To start a new problem run init.py in the scripts folder. Remember to install the required pip dependencies in a virtual enviorment by running python -m pip install -r requirements.txt