Here's a suggested roadmap for your #100DaysOfCode challenge, focusing on learning Data Structures and Algorithms (DSA) with C++ and developing an Android project:
Day 1: Introduction to DSA and Setting Up Environment
- Familiarize yourself with the basics of Data Structures and Algorithms.
- Install a C++ compiler (such as GCC or Clang) and an Integrated Development Environment (IDE) like Visual Studio Code or Code::Blocks.
Resources:
- Data Structures and Algorithms in C++ by Michael T. Goodrich, Roberto Tamassia, and David Mount (book)
- C++ Data Structures and Algorithms (course) - FreeCodeCamp: https://www.freecodecamp.org/news/c-plus-plus-data-structures-and-algorithms/
Day 2: Arrays and Strings
- Learn about arrays and their operations, such as insertion, deletion, searching, and sorting.
- Explore string manipulation techniques, including string concatenation, substring, and searching.
Resources:
- GeeksforGeeks - Arrays in C++: https://www.geeksforgeeks.org/array-data-structure/
- GeeksforGeeks - Strings in C++: https://www.geeksforgeeks.org/string-data-structure/
Day 3: Linked Lists
- Understand the concept of linked lists and their different types (singly linked list, doubly linked list, circular linked list).
- Implement basic operations on linked lists like insertion, deletion, and traversal.
Resources:
- GeeksforGeeks - Linked List Data Structure: https://www.geeksforgeeks.org/data-structures/linked-list/
- C++ Singly Linked List Tutorial - Programming with Mosh (video): https://www.youtube.com/watch?v=JJnZf6fCV54
Day 4: Stacks and Queues
- Study stack and queue data structures, along with their operations.
- Implement stack and queue using arrays and linked lists.
Resources:
- GeeksforGeeks - Stack Data Structure: https://www.geeksforgeeks.org/stack-data-structure/
- GeeksforGeeks - Queue Data Structure: https://www.geeksforgeeks.org/queue-data-structure/
Day 5: Recursion and Backtracking
- Learn the fundamentals of recursion and how it can be used to solve problems.
- Understand backtracking techniques and their applications.
Resources:
- GeeksforGeeks - Recursion in C++: https://www.geeksforgeeks.org/recursion/
- GeeksforGeeks - Backtracking: https://www.geeksforgeeks.org/backtracking-algorithms/
Day 6: Trees
- Study binary trees, binary search trees, and their properties.
- Implement tree traversal algorithms like preorder, inorder, and postorder.
Resources:
- GeeksforGeeks - Binary Trees: https://www.geeksforgeeks.org/binary-tree-data-structure/
- GeeksforGeeks - Binary Search Tree: https://www.geeksforgeeks.org/binary-search-tree-data-structure/
Day 7: Heap and Priority Queue
- Learn about the heap data structure and its applications.
- Implement a priority queue using heaps.
Resources:
- GeeksforGeeks - Heap Data Structure: https://www.geeksforgeeks.org/heap-data-structure/
- GeeksforGeeks - Priority Queue in C++: https://www.geeksforgeeks.org/priority-queue-in-cpp-stl/
Day 8: Hashing
- Understand hashing and its use in data retrieval and storage.
- Implement basic hash table operations like insertion, deletion, and search.
Resources:
- GeeksforGeeks - Hashing in Data Structure: https://www.geeksforgeeks.org/hashing-data-structure/
- GeeksforGeeks - Hash Table in C++: https://www.geeksforgeeks.org/hash-table-data-structure/
Day 9: Sorting Algorithms
- Study popular sorting algorithms like bubble sort, selection sort, insertion sort, merge sort, and quicksort.
- Implement these algorithms and compare their time and space complexities.
Resources:
- GeeksforGeeks - Sorting Algorithms: https://www.geeksforgeeks.org/sorting-algorithms/
- C++ Sorting Algorithms - The Coding Train (video): https://www.youtube.com/watch?v=ozom-_Zxx8s
Day 10: Android Development Project
- Begin working on an Android development project of your choice.
- Set up the necessary tools and environment, such as Android Studio.
Resources:
- Android Developer Documentation: https://developer.android.com/docs
- Android App Development - Udacity: https://www.udacity.com/course/android-app-development-for-beginners--ud851
Day 11: Graphs
- Learn about graph data structures and their representations (adjacency matrix, adjacency list).
- Explore graph traversal algorithms like depth-first search (DFS) and breadth-first search (BFS).
Resources:
- GeeksforGeeks - Graph Data Structure: https://www.geeksforgeeks.org/graph-data-structure-and-algorithms/
- Graph Theory Playlist - William Fiset (video): https://www.youtube.com/playlist?list=PLDV1Zeh2NRsDGO4--qE8yH72HFL1Km93P
Day 12: Dynamic Programming
- Understand the concept of dynamic programming and its applications in solving optimization problems.
- Study memoization and tabulation techniques for efficient dynamic programming solutions.
Resources:
- GeeksforGeeks - Dynamic Programming: https://www.geeksforgeeks.org/dynamic-programming/
- Dynamic Programming - TopCoder (tutorial): https://www.topcoder.com/community/competitive-programming/tutorials/dynamic-programming-from-novice-to-advanced/
Day 13: Advanced Data Structures
- Dive into advanced data structures like trie, segment tree, and Fenwick tree (binary indexed tree).
- Learn when and how to use these structures to solve specific problems efficiently.
Resources:
- GeeksforGeeks - Trie Data Structure: https://www.geeksforgeeks.org/trie-insert-and-search/
- Segment Tree Tutorial - Codeforces (article): https://codeforces.com/blog/entry/18051
- Fenwick Tree - Competitive Programming Algorithms (article): https://cp-algorithms.com/data_structures/fenwick.html
Day 14: Algorithmic Techniques
- Explore algorithmic techniques like divide and conquer, greedy algorithms, and two-pointer technique.
- Understand when to apply these techniques and their trade-offs.
Resources:
- Divide and Conquer - Khan Academy (video): https://www.khanacademy.org/computing/computer-science/algorithms/merge-sort/a/divide-and-conquer-algorithms
- Greedy Algorithms - GeeksforGeeks: https://www.geeksforgeeks.org/greedy-algorithms/
- Two-Pointer Technique - LeetCode (article): https://leetcode.com/articles/two-pointers/
Day 15: Advanced Sorting and Searching
- Study advanced sorting algorithms like heap sort, shell sort, and counting sort.
- Explore advanced searching algorithms like binary search and interpolation search.
Resources:
- Heap Sort - GeeksforGeeks: https://www.geeksforgeeks.org/heap-sort/
- Shell Sort - GeeksforGeeks: https://www.geeksforgeeks.org/shellsort/
- Binary Search - GeeksforGeeks: https://www.geeksforgeeks.org/binary-search/
Day 16: Android UI Design
- Focus on designing user interfaces (UI) for Android applications.
- Learn about layout XML files, views, and UI components.
Resources:
- Android User Interface - Android Developer Documentation: https://developer.android.com/guide/topics/ui
- Android UI Design - Material Design Guidelines: https://material.io/design/platform-guidance/android-ui-design
Day 17: Android Networking and APIs
- Dive into networking concepts and working with APIs in Android development.
- Understand how to make HTTP requests, handle responses, and parse JSON data.
Resources:
- Android Networking - Android Developer Documentation: https://developer.android.com/training/basics/network-ops
- Retrofit - Square (library): https://square.github.io/retrofit/
Day 18: Android Persistence
- Learn about different persistence techniques in Android, such as using SQLite databases and shared preferences.
- Implement data storage and retrieval functionalities in your Android project.
Resources:
- Android Data Storage - Android Developer Documentation: https://developer.android.com/guide/topics/data
- Android SQLite Database - Vogella (tutorial): https://www.vogella.com/tutorials/AndroidSQLite/article.html
- Android Shared Preferences - Android Developer Documentation: https://developer.android.com/training/data-storage/shared-preferences
Use this day to explore different methods of persisting data in Android applications and implement the appropriate technique in your project.
Day 19: Android Persistence
- Learn about different persistence techniques in Android, such as using SQLite databases and shared preferences.
- Implement data storage and retrieval functionalities in your Android project.
Resources:
- Android Data Storage - Android Developer Documentation: https://developer.android.com/guide/topics/data
- Android SQLite Database - Vogella (tutorial): https://www.vogella.com/tutorials/AndroidSQLite/article.html
Day 20: Android Multithreading and Asynchronous Programming
- Understand the importance of multithreading and asynchronous programming in Android.
- Learn how to perform background tasks and update the UI using threads, handlers, and AsyncTask.
Resources:
- Multithreading - Android Developer Documentation: https://developer.android.com/guide/components/processes-and-threads
- AsyncTask - Android Developer Documentation: https://developer.android.com/reference/android/os/AsyncTask
Day 21: Android Notifications and Services
- Explore Android notifications and how to display them to the user.
- Understand the concept of Android services and their usage for background tasks.
Resources:
- Android Notifications - Android Developer Documentation: https://developer.android.com/guide/topics/ui/notifiers/notifications
- Android Services - Android Developer Documentation: https://developer.android.com/guide/components/services
Day 22: Android Debugging and Testing
- Learn about debugging techniques and tools in Android development.
- Understand the importance of testing and explore different testing frameworks for Android.
Resources:
- Debugging - Android Developer Documentation: https://developer.android.com/studio/debug
- Android Testing - Android Developer Documentation: https://developer.android.com/training/testing
Day 23: Advanced Android Topics (Optional)
- Choose an advanced topic based on your interests, such as location-based services, sensors, or working with media.
- Dive deeper into the chosen topic and implement relevant functionalities in your Android project.
Resources:
- Android Location-Based Services - Android Developer Documentation: https://developer.android.com/guide/topics/location
- Android Sensors - Android Developer Documentation: https://developer.android.com/guide/topics/sensors
- Android Media - Android Developer Documentation: https://developer.android.com/guide/topics/media
Day 24-100: Project Development and Practice
- Dedicate the remaining days to working on your Android project, applying the DSA concepts you've learned, and refining your coding skills.
- Continuously practice problem-solving with coding challenges and interview-style questions to strengthen your algorithmic thinking.
Remember to adapt the roadmap based on your progress and interests. Explore additional resources, participate in coding communities, and seek help when needed. Best of luck with your #100DaysOfCode challenge!
Also Read:#100daysofcode for DSA and Android Development - Roadmap for Final Year Engineering Students in 2023
