LeetCode-Solutions

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Enhance Two Sum Python solution with explanations and formatting

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What’s improved? Added clear step-by-step explanation for both Two-Pass and Single-Pass hash map approaches Included a beginner-friendly example to show how the logic works Improved code readability with proper comments...

Nihhaar0002

# Pull Request: Add LeetCode Solution for Issue #194 ## Description This pull request adds a new solution as part of the beginner-friendly task “Submit your first PR by solving...

AHVSSATHVIK

Add BFS solution for LeetCode 102 Level Order Traversal

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# Pull Request: Add BFS Solution for LeetCode 102 – Binary Tree Level Order Traversal ## Description This pull request adds a BFS-based solution for **LeetCode Problem 102: Binary Tree...

AHVSSATHVIK

krushkal's implementation

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# Pull Request Template ## Description Please include a summary of the problem and about the approach to solve the solution. Please also include relevant motivation and context. List any...

krishna3324

Added: LeetCode solution for Two Sum

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### Two Sum **Problem:** Given an array of integers `nums` and an integer `target`, return indices of the two numbers such that they add up to target. **Approach:** Use a...

sasi-upparapalli

Added recursion solutions: Regular Expression Matching and N-Queens

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This Pull Request adds two hard-level recursion problems from LeetCode, implemented in C++ with clear explanations, optimized recursion logic, and tested outputs. 1. Regular Expression Matching (LeetCode #10) Problem Summary:...

avimishraa

Issue Proposal: Solutions to 3 MST questions

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Minimum Spanning Tree (MST is one of the rather harder graph topics yet is quiet common as a learning outcome for most CS/IT professionals. LeetCode has 6 problems on MST,of...

Once-1296

add solution for 179. largestNumber function in Solution class

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# Pull Request Template ## Description Please include a summary of the problem and about the approach to solve the solution. Please also include relevant motivation and context. List any...

ziennaa

Added 2sum solution in C++

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## Added 2sum solution in C++ I have added 2sum questions solution of Leetcode --> Q1 Time complexity = O(log N) I will contribute more solutions of leetcode in future...

HarshitTiwari-20

Add C++ solution: 420. Strong Password Checker

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## Description Add a C++ solution for **LeetCode 420 – Strong Password Checker**. **Problem:** https://leetcode.com/problems/strong-password-checker/ **Language:** C++ **File path:** `C++/420-strong-password-checker.cpp` **Approach (summary):** - Count missing character classes (lowercase / uppercase...

anya-minamoto