Data Structures & Algorithms

Data Structures

Array

Contiguous memory storage for elements

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Linked List

Linear chain of connected nodes

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Stack

LIFO data structure

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Queue

FIFO data structure

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Tree

Hierarchical node structure

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Graph

Vertices connected by edges

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Matrix

2D array of elements

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Hash Table

Key-value pair storage

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String

Character sequence manipulation

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Heap

Priority-based tree structure

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Algorithms

Sorting

Element arrangement algorithms

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Searching

Element finding algorithms

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Pattern Matching

Text pattern detection

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Divide and Conquer

Problem decomposition strategy

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Dynamic Programming

Overlapping subproblem solution

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Greedy Algorithm

Local optimal choice strategy

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Backtracking

Solution space exploration

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Core Concepts

Mathematics

Essential math for algorithms

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Bit Operations

Bit-level operations

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Geometry

Geometric algorithms

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