NeetCode 150 Problem Set Solutions

Collection of my solutions to the NeetCode 150 LeetCode Problem Set. LeetCode Premium problems are not included. All credit for curating the problem list go to NeetCode.io.

Repository Structure:

• Different directories for each section in NeetCode 150 problem set in solutions
• Directory containing solution within solutions/name-of-problem

Table of Contents

Key:

• 🟢 = Easy
• 🟡 = Medium
• 🔴 = Hard

Arrays & Hashing

• 🟢 0217 - Contains Duplicate
• 🟢 0242 - Valid Anagram
• 🟢 0001 - Two Sum
• 🟡 0049 - Group Anagrams
• 🟡 0347 - Top K Frequent Elements
• 🟡 0238 - Product of Array Except Self
• 🟡 0036 - Valid Sudoku
• 🟡 0128 - Longest Consecutive Sequence

Two Pointers

• 🟢 0125 - Valid Palindrome
• 🟡 0167 - Two Sum II - Input Array Is Sorted
• 🟡 0015 - 3Sum
• 🟡 0011 - Container With Most Water
• 🔴 0042 - Trapping Rain Water