Neetcode 150 and Blind 75

📘 Collection of 225 leetcode problems. Includes solutions and quizzes/questions/tests in flashcards format (Anki) to learn patterns/techniques.

Resources

1. 🚀 NeetCode
   1. neetcode.io
      1. Practice
      2. Roadmap
      3. Courses DSA For Beginners
      4. Courses Advanced Algorithms
   2. YouTube
      1. How I Got Good At Coding Interviews
      2. My Brain After 569 Leetcode Problems
      3. Playlist - Leetcode BLIND-75 Solutions
   3. 📄 Docs Google
      1. Leetcode 75 Questions (NeetCode on YT)
2. 🅱️ Blind
   1. teamblind.com
      1. 🎁 New Year Gift - Curated List of Top 75 LeetCode Questions to Save Your Time
3. 🥇 LeetCode
   1. leetcode.com
      1. Blind 75 list (community version)
      2. Study Plan - Top Interview 150
      3. Community Post - Blind 75 Leetcode Questions
4. 🧩 Sean Prashad
   1. seanprashad.com
      1. Leetcode Patterns
5. 🏫 Tech interview handbook
   1. techinterviewhandbook.org
      1. Coding Interview Study Plan
      2. Grind 75
         1. OLD VERSION - Best Practice Questions
6. 🧑‍💻 Hackernoon
   1. hackernoon.com
      1. 14 Patterns To Ace Any Coding Interview Question

Practice questions

Disclaimer: Some of the questions are taken from neetcode.io/practice, only the questions that correspond to the "free" category were used, the content belongs to neetcode and is only being used for educational purposes.

Anki content

The questions in this section are designed to help you remember the patterns or techniques used throughout the problems. The problems are in a Q&A format, this is to facilitate the creation of a deck of Anki cards.

The order is based on the roadmap created by neetcode

Sections

Information about the tables

Arrays & Hashing

Prerequisites

◽ - Dynamic Arrays - Data Structures & Algorithms for Beginners

◽ - Hash Usage - Data Structures & Algorithms for Beginners

◽ - Hash Implementation - Data Structures & Algorithms for Beginners

◽ - Prefix Sums - Advanced Algorithms

Problems

Two Pointers

Prerequisites

◽ - Two Pointers - Advanced Algorithms

Problems

Stack

Prerequisites

◽ - Stacks - Data Structures & Algorithms for Beginners

Problems

Binary Search

Prerequisites

◽ - Search Array - Data Structures & Algorithms for Beginners

◽ - Search Range - Data Structures & Algorithms for Beginners

Problems

Sliding Window

Prerequisites

◽ - Sliding Window Fixed Size - Advanced Algorithms

◽ - Sliding Window Variable Size - Advanced Algorithms

Problems

Linked List

Prerequisites

◽ - Singly Linked Lists - Data Structures & Algorithms for Beginners

◽ - Doubly Linked Lists - Data Structures & Algorithms for Beginners

◽ - Fast and Slow Pointers - Advanced Algorithms

Problems

Trees

Prerequisites

◽ - BST Insert and Remove - Data Structures & Algorithms for Beginners

◽ - Depth-First Search - Data Structures & Algorithms for Beginners

◽ - Breadth-First Search - Data Structures & Algorithms for Beginners

◽ - BST Sets and Maps - Data Structures & Algorithms for Beginners

◽ - Iterative DFS - Advanced Algorithms

Problems

Tries

Prerequisites

◽ - Trie - Advanced Algorithms

Problems

Backtracking

Prerequisites

◽ - Tree Maze - Data Structures & Algorithms for Beginners

◽ - Subsets - Advanced Algorithms

◽ - Combinations - Advanced Algorithms

◽ - Permutations - Advanced Algorithms

Problems

Heap / Priority Queue

Prerequisites

◽ - Heap Properties - Data Structures & Algorithms for Beginners

◽ - Push and Pop - Data Structures & Algorithms for Beginners

◽ - Heapify - Data Structures & Algorithms for Beginners

◽ - Two Heaps - Advanced Algorithms

Problems

Graphs

Prerequisites

◽ - Intro to Graphs - Data Structures & Algorithms for Beginners

◽ - Matrix DFS - Data Structures & Algorithms for Beginners

◽ - Matrix BFS - Data Structures & Algorithms for Beginners

◽ - Adjacency List - Data Structures & Algorithms for Beginners

Problems

1-D DP

Prerequisites

◽ - 1-Dimension DP - Data Structures & Algorithms for Beginners

◽ - Palindromes - Advanced Algorithms

Problems

Intervals

Prerequisites

Problems

Greedy

Prerequisites

◽ - Kadane's Algorithm - Advanced Algorithms

Problems

Advanced Graphs

Prerequisites

◽ - Dijkstra's - Advanced Algorithms

◽ - Prim's - Advanced Algorithms

◽ - Kruskal's - Advanced Algorithms

◽ - Topological Sort - Advanced Algorithms

Problems

2-D DP

Prerequisites

◽ - 2-Dimension DP - Data Structures & Algorithms for Beginners

◽ - 0 / 1 Knapsack - Advanced Algorithms

◽ - Unbounded Knapsack - Advanced Algorithms

◽ - LCS - Advanced Algorithms

Problems

Bit Manipulation

Prerequisites

◽ - Bit Operations - Data Structures & Algorithms for Beginners

Problems

Math & Geometry

Prerequisites

Problems