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Top 17 C++ Leetcode Projects
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LeetCode
This repository contains the solutions and explanations to the algorithm problems on LeetCode. Only medium or above are included. All are written in C++/Python and implemented by myself. The problems attempted multiple times are labelled with hyperlinks.
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SaaSHub
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LearnCPP
Learn Cpp from Beginner to Advanced ✅ Practice 🎯 Code 💻 Repeat 🔁 One step solution for c++ beginners and cp enthusiasts.
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leetcode-solutions
My solutions to Leetcode Problems: Categorized based on the data structures, algorithms, and tricks used to solve them. (by razimantv)
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code_problems
Code Problems from Coding Challenge Websites. The goal is to help them to improve their code skills and also studying for coding interviews.
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Project mention: Grind LeetCode questions with Claude Code dsa mentor | news.ycombinator.com | 2026-06-16
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Crack-Your-Placement
🎯 Repo for placement-preparation, DSA, Problem-Solving, Competitive Programming, CS-Fundamentals
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Fork_CPP
This repository contain the C++ program from basic to advance. This repository will help you to prepare for the interview questions.
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Agreed. For benchmarking I used this <https://github.com/david-alvarez-rosa/CppPlayground/blob/mai...> which relies on GoogleBenchmark and pins producer/consumer threads to dedicated CPU cores
What else could be improved? Would like to learn :)
Maybe using huge pages?
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Interview-Checkpoints
Keeping track of my various DSA solutions to Leetcode, Hackerrank & Striver's sheet! BasicChecklist has all the theory notes for interviews.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C++ Leetcode discussion
C++ Leetcode related posts
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Grind LeetCode questions with Claude Code dsa mentor
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Ask HN: How do you find employment opportunities in 2024?
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Lessons from leetcode: 347 Top K Frequent Elements
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Why learn Data structures and Algorithm
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Build Binary Tree from Array
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Feel like killing myself
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Consejo para un FullStack??
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A note from our sponsor - SaaSHub
www.saashub.com | 22 Jun 2026
Index
What are some of the best open-source Leetcode projects in C++? This list will help you:
| # | Project | Stars |
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| 1 | LeetCode | 6,183 |
| 2 | algorithms_and_data_structures | 6,130 |
| 3 | LeetCode-Solutions | 5,870 |
| 4 | Interview_DS_Algo | 4,488 |
| 5 | LearnCPP | 822 |
| 6 | Leetcode | 503 |
| 7 | NeetCode-Solutions | 296 |
| 8 | LeetCode-Solutions | 245 |
| 9 | leetcode-solutions | 174 |
| 10 | code_problems | 59 |
| 11 | cp-tips | 41 |
| 12 | claude-with-leetcode | 25 |
| 13 | Crack-Your-Placement | 21 |
| 14 | Fork_CPP | 13 |
| 15 | Leetcode_Solutions | 8 |
| 16 | CppPlayground | 8 |
| 17 | Interview-Checkpoints | 1 |
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