# 160 Days of Problem Solving ๐Ÿ”ฅ Welcome to **160 Days of Problem Solving**, where we conquer one challenging problem at a time! ๐ŸŒŸ This repository is a treasure trove of daily coding solutions for GFG problems, with multiple language support including **C**, **C++**, **Java**, and **Python**. ## **๐Ÿ“Œ Table of Contents** * [๐Ÿš€ Introduction](#-introduction) * [๐Ÿ“Š Progress Overview](#-progress-overview) * [๐Ÿ“… Day-wise Problem List](#-day-wise-problem-list) * [๐Ÿค Contributing](#-contributing) * [๐Ÿ† Acknowledgements](#-acknowledgements) ## **๐Ÿš€ Introduction** This repository is your companion for 160 days of consistent problem-solving, focusing on core **data structures** and **algorithms**. Each problem is thoughtfully solved and documented in four popular programming languages. ## ๐Ÿš€ **Languages Used** * [![C++](https://img.shields.io/badge/c++-%2300599C.svg?style=for-the-badge\&logo=c%2B%2B\&logoColor=white)](https://github.com/search?q=repo%3AHunterdii%2FGeeksforGeeks-POTD++language%3Acpp+path%3ANovember+2024+GFG+SOLUTION\&type=code) * [![Java](https://img.shields.io/badge/java-%23ED8B00.svg?style=for-the-badge\&logo=java\&logoColor=white)](https://github.com/search?q=repo%3AHunterdii%2FGeeksforGeeks-POTD++language%3AJava+path%3ANovember+2024+GFG+SOLUTION\&type=code) * [![Python](https://img.shields.io/badge/python-3670A0?style=for-the-badge\&logo=python\&logoColor=ffdd54)](https://github.com/search?q=repo%3AHunterdii%2FGeeksforGeeks-POTD++language%3APython+path%3ANovember+2024+GFG+SOLUTION\&type=code) * [![C](https://img.shields.io/badge/c-%2300599C.svg?style=for-the-badge\&logo=c\&logoColor=white)](https://github.com/search?q=repo%3AHunterdii%2FGeeksforGeeks-POTD++language%3Ac+path%3ANovember+2024+GFG+SOLUTION\&type=code) Whether you're a beginner or looking to sharpen your skills, these solutions will guide you through structured problem-solving. ## **๐Ÿ“Š Progress Overview** > **Completed**: 60/160 Problems ๐ŸŽ‰\ > **In Progress**: 100 Problems โณ\ > **Target**: Solve all 160 problems! ๐Ÿ† ## **๐Ÿ“… Day-wise Problem List** ## **๐Ÿ‘ซ GFG 160 Days of Problem Solving (Two Pointer Technique) ๐Ÿ‘ซ** | **Day** | **Problem Name** | **C** | **C++** | **Java** | **Python** | | :--------: | :------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------------------------------: | :---------------------------------------------------------------------------------------------------------------------------------------------------: | | **Day 1** | Count all triplets with given sum in sorted array ๐Ÿ”ข๐Ÿ”ฝ๐Ÿ” | | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-1-count-all-triplets-with-given-sum-in-sorted-array#code-c) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-1-count-all-triplets-with-given-sum-in-sorted-array#code-java) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-1-count-all-triplets-with-given-sum-in-sorted-array#code-python) | | **Day 2** | Count Pairs whose sum is less than target ๐Ÿ‘ซ๐Ÿ”ข๐Ÿ‘จโ€๐Ÿ’ป | | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-2-count-pairs-whose-sum-is-less-than-target#code-c) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-2-count-pairs-whose-sum-is-less-than-target#code-java) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-2-count-pairs-whose-sum-is-less-than-target#code-python) | | **Day 3** | Sum Pair closest to target ๐ŸŽฏ๐Ÿ’ก๐Ÿ”ข | | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-3-sum-pair-closest-to-target#code-c) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-3-sum-pair-closest-to-target#code-java) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-3-sum-pair-closest-to-target#code-python) | | **Day 4** | Pair with given sum in a sorted array ๐Ÿ”ข๐Ÿงฎโœ… | | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-4-pair-with-given-sum-in-a-sorted-array#code-c) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-4-pair-with-given-sum-in-a-sorted-array#code-java) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-4-pair-with-given-sum-in-a-sorted-array#code-python) | | **Day 5** | Count the number of possible triangles ๐Ÿ“๐Ÿ“๐Ÿงฎ | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-5-count-the-number-of-possible-triangles#code-c) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-5-count-the-number-of-possible-triangles#code-c-1) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-5-count-the-number-of-possible-triangles#code-java) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-5-count-the-number-of-possible-triangles#code-python) | | **Day 6** | Indexes of Subarray Sum ๐Ÿ“Š๐Ÿ“๐Ÿ” | | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-6-indexes-of-subarray-sum#code-c) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-6-indexes-of-subarray-sum#code-java) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-6-indexes-of-subarray-sum#code-python) | | **Day 7** | Count distinct elements in every window ๐Ÿ”ข๐ŸŽฏ๐Ÿ“ˆ | | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-7-count-distinct-elements-in-every-window#code-c) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-7-count-distinct-elements-in-every-window#code-java) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-7-count-distinct-elements-in-every-window#code-python) | | **Day 8** | Longest substring with distinct characters ๐Ÿงต๐Ÿ”ค๐Ÿง  | | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-8-longest-substring-with-distinct-characters#code-c) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-8-longest-substring-with-distinct-characters#code-java) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-8-longest-substring-with-distinct-characters#code-python) | | **Day 9** | Trapping Rain Water ๐ŸŒง๏ธ๐Ÿ’ง๐Ÿž๏ธ | | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-9-trapping-rain-water#code-c) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-9-trapping-rain-water#code-java) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-9-trapping-rain-water#code-python) | | **Day 10** | Container With Most Water๐Ÿ“ฆ๐ŸŒŠ๐Ÿ“ | | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-10-container-with-most-water#code-c) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-10-container-with-most-water#code-java) | [Solution](https://hunterdii.gitbook.io/gfg-solution/160-days-of-problem-solving/day-10-container-with-most-water#code-python) | ## **๐Ÿค Contributing** Want to contribute? ๐ŸŒŸ Here's how: 1. Fork the repository and create a *pull request* with a new solution. 2. Solve a problem or improve existing code/documentation. 3. Share this repo with others, and encourage them to star it for support! 4. Discuss issues and share tips by opening an issue or using the Discussions tab. ## **๐Ÿ† Acknowledgements** This repository is maintained with ![](https://github.com/user-attachments/assets/00314b63-96bb-4e9a-92f6-4ead67e0fb7d) by **Hunterdii**. Special thanks to all contributors and supporters for making this journey possible! **Special thanks to the *****GeeksforGeeks***** community for providing such an amazing set of problems to work on. 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