{"id":19665621,"url":"https://github.com/nidhiupman568/leetcode-solved-problems","last_synced_at":"2025-04-28T22:31:22.460Z","repository":{"id":168747373,"uuid":"644528159","full_name":"nidhiupman568/Leetcode-Solved-Problems","owner":"nidhiupman568","description":"🏆🌟 I solve the Problem of the Day on LeetCode daily 🗓️🧩 and have successfully tackled over 150 interview questions. 💪🧠 Additionally, I've completed Love Babbar's 450 DSA sheet 📚 and Striver's 180 DSA sheet 📘. 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I'm excited to share my progress and accomplishments on LeetCode with you. 🚀✨\n\n## 🌐 About Me\n🏆🌟 I solve the **Problem of the Day** on LeetCode daily 🗓️🧩 and have successfully tackled over **150 interview questions**. 💪🧠 Additionally, I've completed **Love Babbar's 450 DSA** sheet 📚 and **Striver's 180 DSA** sheet 📘. My primary coding language is **C++** 💻, but I have also solved many problems in **Java** ☕. 🏆🌟\n\n## 🏆 My Achievements\n- Solved 150+ LeetCode interview questions 🔥\n- Completed Love Babbar's 450 DSA sheet 📚\n- Completed Fraz's 180 DSA sheet 📘\n- Proficient in C++ and Java 💻\n\n## 🚀 Topics and Subtopics Mastered\nHere’s a detailed list of the topics and subtopics I have mastered, categorized and neatly organized:\n\n### 🚀 C++ and Java\n- Basic Syntax 📝\n- Object-Oriented Programming 🧩\n- STL (Standard Template Library) 📚\n\n### 🌳 Data Structures\n- **Linked List**: Singly, Doubly, Circular 🔗\n- **Graphs**: BFS, DFS, Dijkstra’s, Prim’s, Kruskal’s 🌐\n- **Trees**: Binary Trees, Binary Search Trees, AVL Trees 🌲\n- **Heaps**: Min-Heap, Max-Heap ⛏️\n- **Tries**: Prefix Trees 📚\n- **Stacks and Queues**: Stack, Queue, Priority Queue 📊\n\n### 🧩 Algorithms\n- **Sorting**: Quick Sort, Merge Sort, Heap Sort 🔄\n- **Searching**: Binary Search, Linear Search 🔍\n- **Dynamic Programming**: Memoization, Tabulation 🎯\n- **Greedy Algorithms**: Activity Selection, Huffman Coding 🤑\n- **Backtracking**: N-Queens, Sudoku Solver ♟️\n- **Divide and Conquer**: Merge Sort, Quick Sort ⚔️\n- **Bit Manipulation**: Bitwise AND, OR, XOR 🧩\n\n### 📈 Advanced Topics\n- **Graphs**: Bellman-Ford, Floyd-Warshall, Topological Sort 🌐\n- **Recursion**: Basic to Advanced Recursion Techniques ♾️\n- **Matrix**: Spiral Order, Search in Sorted Matrix, Rotate Matrix 🔄\n- **Hashing**: Hash Maps, Hash Sets, Collision Handling 🔑\n\n### 🔥 Additional Competitive Programming Topics\n- **Fenwick Tree**: Binary Indexed Tree 🌳\n- **Segment Tree**: Range Queries, Lazy Propagation 🌲\n- **Union-Find**: Disjoint Set Union (DSU) 📌\n- **String Algorithms**: KMP, Rabin-Karp, Z Algorithm 📝\n- **Game Theory**: Nim Game, Grundy Numbers 🎮\n- **Geometry**: Convex Hull, Line Intersection 📐\n- **Number Theory**: Sieve of Eratosthenes, Modular Arithmetic 🔢\n\n## 📅 Daily Practice\nI consistently solve the LeetCode **Problem of the Day** to stay sharp and up-to-date with different problem-solving techniques. 🧠💡\n\n## 📂 Repository Structure\nHere's how this repository is structured for easy navigation:\n\n```plaintext\nLeetCode-Journey/\n|\n├── C++/\n|   ├── LinkedList/\n|   ├── Graphs/\n|   ├── Strings/\n|   ├── Matrix/\n|   ├── Trie/\n|   ├── Hash/\n|   ├── Recursion/\n|   ├── Backtracking/\n|   ├── BitManipulation/\n|   ├── Greedy/\n|   ├── BinarySearchTree/\n|   ├── Arrays/\n|   ├── Heap/\n|   ├── DynamicProgramming/\n|   ├── BinaryTrees/\n|   ├── DivideAndConquer/\n|   ├── StacksAndQueues/\n|   ├── SearchingAndSorting/\n|   ├── FenwickTree/\n|   ├── SegmentTree/\n|   ├── UnionFind/\n|   ├── StringAlgorithms/\n|   ├── GameTheory/\n|   ├── Geometry/\n|   ├── NumberTheory/\n|\n├── Java/\n|   ├── LinkedList/\n|   ├── Graphs/\n|   ├── Strings/\n|   ├── Matrix/\n|   ├── Trie/\n|   ├── Hash/\n|   ├── Recursion/\n|   ├── Backtracking/\n|   ├── BitManipulation/\n|   ├── Greedy/\n|   ├── BinarySearchTree/\n|   ├── Arrays/\n|   ├── Heap/\n|   ├── DynamicProgramming/\n|   ├── BinaryTrees/\n|   ├── DivideAndConquer/\n|   ├── StacksAndQueues/\n|   ├── SearchingAndSorting/\n|   ├── FenwickTree/\n|   ├── SegmentTree/\n|   ├── UnionFind/\n|   ├── StringAlgorithms/\n|   ├── GameTheory/\n|   ├── Geometry/\n|   ├── NumberTheory/\n|\n└── README.md\n```\n\nFeel free to explore each directory for detailed solutions and explanations of the problems I've solved. Happy coding! 😊\n\n---\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n# Leetcode-Solved-Problems\n\n![](https://leetcard.jacoblin.cool/upmannidhi09?ext=heatmap)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnidhiupman568%2Fleetcode-solved-problems","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fnidhiupman568%2Fleetcode-solved-problems","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnidhiupman568%2Fleetcode-solved-problems/lists"}