Complete C++ STL in 1 Video | Time Complexity and Notes

Step-by-Step Tutorial: Mastering C++ Standard Template Library (STL)

Introduction to C++ STL

1. Understand the Basics: The C++ Standard Template Library (STL) is a collection of algorithms, containers, and functions that provide a simplified and efficient way to work with data structures in C++.

Understanding the Skeleton of a C++ Code

1. Include Necessary Libraries: Start your C++ code by including the necessary libraries using #include<bits/stdc++.h>.
2. Using Namespace: Use using namespace std; to avoid writing std:: before standard functions like cin and cout.

Learning Functions in C++

1. Void Functions: Define void functions that do not return any value and can be used for specific tasks.
2. Return Type Functions: Define functions that return a value based on the input parameters.

Exploring Containers in C++ STL

1. Vectors: Understand how vectors are dynamic arrays that allow for easy modification of size and elements.
2. Lists: Learn about lists, similar to vectors but with different insertion and deletion properties.
3. Deque: Explore deque, a double-ended queue that allows for efficient insertion and deletion at both ends.

Working with Stack and Queue

1. Stack: Understand the Last In, First Out (LIFO) property of stack data structure for efficient data handling.
2. Queue: Learn about the First In, First Out (FIFO) property of the queue data structure for sequential data processing.

Implementing Priority Queue and Set

1. Priority Queue: Master the priority queue for handling elements based on priority levels.
2. Set: Explore the set container for storing unique elements in sorted order and performing operations like find and erase.

Implementing Maps and Multi-Maps

1. Map: Utilize maps to store key-value pairs in a sorted order based on the key values.
2. Multi-Map: Understand multi-maps for storing multiple occurrences of keys along with their values.

Exploring Unordered Set and Unordered Map

1. Unordered Set: Learn about unordered sets for storing unique elements in a randomized order.
2. Unordered Map: Utilize unordered maps for key-value pairs in a randomized order for efficient data retrieval.

Mastering Algorithms in C++

1. Sort Function: Sort elements in arrays or containers using the sort() function with custom comparators for specific ordering.
2. Next Permutation: Generate all permutations of a string or array using the next_permutation() function.
3. Max Element: Find the maximum element in an array or container using the max_element() function.

Conclusion

1. Practice and Explore: Continuously practice and explore different algorithms and data structures in C++ STL to enhance your programming skills.

By following these steps and mastering the concepts of C++ STL, you will be well-equipped to handle various data structures and algorithms efficiently in your programming projects. Happy coding!