Algorithm & Data Structure Cheat Sheets

Comprehensive collection of algorithm patterns, data structures, and problem-solving techniques.

Core Data Structures

Array

Array Overlap Explaination

Binary Indexed Tree

Binary Tree

Bst

Difference Array

Graph

Hash Map

Heap

Linked List

Monotonic Stack

Priority Queue

Queue

Segment Tree

Set

Stack

Tree

Tree2

Trie

Search & Sort

Bfs

Binary Search

Dfs

Diff Toposort Quickunion

Sort

Topology Sorting

Algorithm Patterns

2 Pointers

2 Pointers Linkedlist

Backtrack

Dp

Dp Pattern

Greedy

Recursion

Recursion And Dp

Sliding Window

Advanced Topics

Prefix Sum

Union Find

Graph Algorithms

Bellman-Ford

Dijkstra

Floyd-Warshall

Specialized

Advanced String Algorithms

Bit Manipulation

Design

Intervals

Iterator

Math

Matrix

String

String Matching Kmp Rolling Hash

Other

Collection

Add X Sum

Advanced Divide And Conquer

Advanced Simulation

Code Interview General Cheatsheet

Hashing

Java Trick

Kadane

Kadane Algo

Lc Category

Lc Pattern

N Sum

Palindrome

Python Trick

Quick Find

Scanning Line

Stock Trading

Strategy

💡 Tip: These cheatsheets are designed for quick reference during coding interviews and problem-solving.

View all cheatsheets on GitHub.