Foundations

Algorithms & Data Structures

Sorting, searching, graphs, trees, dynamic programming and computational complexity

3,989
lessons
Skills in this topic
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Algorithm Basics
beginner
Analyse time and space complexity with Big O
Sorting & Searching
beginner
Implement quicksort, mergesort, and heapsort
Hashing & Hash Functions
beginner
Explain the four properties of secure hash functions
Graph Algorithms
intermediate
Implement BFS and DFS iteratively and recursively
Dynamic Programming
intermediate
Identify overlapping subproblems
Advanced Algorithms
advanced
Implement backtracking for constraint problems
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Student Attendance Record II - Leetcode 552 - Python
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Algorithms & Data Structures
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Algorithms & Data Structures
Diversify or Double Down 🤔 Exploring Traffic Strategies Beyond Facebook and Pinterest! #shorts
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Tree Selection and Care in a Changing Landscape
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Algorithms & Data Structures
Word Break II - Leetcode 140 - Python
NeetCodeIO Intermediate 2y ago
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Algorithms & Data Structures
Maximum Score Words Formed By Letters - Leetcode 1255 - Python
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Algorithms & Data Structures ⚡ AI Lesson
The problem with Object-Oriented Programming
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Algorithms & Data Structures
The Number of Beautiful Subsets - Leetcode 2597 - Python
NeetCodeIO Intermediate 2y ago
Sum of All Subsets XOR Total - Leetcode 1863 - Python
Algorithms & Data Structures
Sum of All Subsets XOR Total - Leetcode 1863 - Python
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Find the Maximum Sum of Node Values - Leetcode 3068 - Python
Algorithms & Data Structures ⚡ AI Lesson
Find the Maximum Sum of Node Values - Leetcode 3068 - Python
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Algorithms & Data Structures ⚡ AI Lesson
Distribute Coins in Binary Tree - Leetcode 979 - Python
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Pls read your own code (it's bad)
Algorithms & Data Structures
Pls read your own code (it's bad)
NeetCodeIO Intermediate 2y ago
Delete Leaves With a Given Value - Leetcode 1325 - Python
Algorithms & Data Structures ⚡ AI Lesson
Delete Leaves With a Given Value - Leetcode 1325 - Python
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Respond Graciously to Critiques
Algorithms & Data Structures
Respond Graciously to Critiques
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Algorithms & Data Structures
Evaluate Boolean Binary Tree - Leetcode 2331 - Python
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Algorithms & Data Structures
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Algorithms & Data Structures ⚡ AI Lesson
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Algorithms & Data Structures
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Algorithms & Data Structures
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Algorithms & Data Structures
Abstraction Hell
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Score After Flipping Matrix - Leetcode 861 - Python
Algorithms & Data Structures
Score After Flipping Matrix - Leetcode 861 - Python
NeetCodeIO Intermediate 2y ago
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Algorithms & Data Structures
Is LeetCode going away?
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Largest Local Values in a Matrix - Leetcode 2373 - Python
Algorithms & Data Structures
Largest Local Values in a Matrix - Leetcode 2373 - Python
NeetCodeIO Intermediate 2y ago
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Algorithms & Data Structures
I solved too many Leetcode problems
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Minimum Cost to Hire K Workers - Leetcode 857 - Python
Algorithms & Data Structures
Minimum Cost to Hire K Workers - Leetcode 857 - Python
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Remove Nodes From Linked List - Leetcode 2487 - Python
Algorithms & Data Structures ⚡ AI Lesson
Remove Nodes From Linked List - Leetcode 2487 - Python
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Freedom Trail - Leetcode 514 - Python
Algorithms & Data Structures
Freedom Trail - Leetcode 514 - Python
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Minimum Falling Path Sum II - Leetcode 1289 - Python
Algorithms & Data Structures
Minimum Falling Path Sum II - Leetcode 1289 - Python
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Longest Ideal Subsequence - Leetcode 2370 - Python
Algorithms & Data Structures
Longest Ideal Subsequence - Leetcode 2370 - Python
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Algorithms & Data Structures ⚡ AI Lesson
Minimum Height Trees - Leetcode 310 - Python
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REST vs GraphQL
Algorithms & Data Structures ⚡ AI Lesson
REST vs GraphQL
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Algorithms & Data Structures ⚡ AI Lesson
Staff Engineers are not Created Equal
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Algorithms & Data Structures
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Algorithms & Data Structures ⚡ AI Lesson
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Algorithms & Data Structures
The Leetcode Fallacy
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Algorithms & Data Structures ⚡ AI Lesson
Domain Name System in 40 seconds
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Algorithms & Data Structures ⚡ AI Lesson
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Too Much Abstraction in Modern Development
Algorithms & Data Structures
Too Much Abstraction in Modern Development
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Reveal Cards In Increasing Order - Leetcode 950 - Python
Algorithms & Data Structures
Reveal Cards In Increasing Order - Leetcode 950 - Python
NeetCodeIO Intermediate 2y ago
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Algorithms & Data Structures ⚡ AI Lesson
My First Coding Interview (capital one)
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Time Needed to Buy Tickets - Leetcode 2073 - Python
Algorithms & Data Structures
Time Needed to Buy Tickets - Leetcode 2073 - Python
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