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Things to learn :

Certainly, here's a list of topics you should learn to establish a strong foundation in C++ basics:
Installing a C++ Compiler:
Understanding how to set up a C++ development environment on your computer.
Your First C++ Program:
Writing a basic "Hello, World!" program.
Basic Syntax:
Understanding the structure of C++ code, including statements, expressions, and variables.
Data Types:
Learning about fundamental data types such as int, double, char, and bool.
Input and Output (I/O):
Using cin for input and cout for output.
Formatting output with manipulators.
Comments and Documentation:
Adding comments to your code for documentation and understanding.
Arithmetic operators (+, -, *, /, %).
Assignment operators (=, +=, -=, etc.).
Comparison operators (==, !=, <, >, etc.).
Logical operators (&&, ||, !).
Increment (++) and Decrement (--) operators.
Control Flow:
Conditional statements (if, else if, else).
Loops (for, while, do-while).
Basic Input Validation:
Checking user input for correctness and handling errors.
User-Defined Functions:
Defining and calling your own functions.
Parameters and return values.
Scope and Lifetime:
Understanding variable scope and lifetime.
Basic Error Handling:
Using try-catch blocks to handle exceptions.
Constants and Enums:
Defining and using constants.
Enumerated types for named constants.
Type Conversion:
Implicit and explicit type conversions (casting).
Basic Arrays:
Declaring, initializing, and accessing arrays.
Array indexing.
Working with C++ strings.
String manipulation and comparison.
Pointers and References:
Understanding pointers and references.
Address-of operator (&) and dereference operator (*).
Memory Management:
Dynamic memory allocation with new and delete.
Managing memory with pointers.
Structured Data:
Creating structures and using them to represent complex data.
Basic File I/O:
Reading and writing data to/from files using streams.
Preprocessor Directives:
Including headers (#include) and defining macros (#define).
Conditional Compilation:
Using #ifdef and #ifndef for platform-specific code.
Debugging Basics:
Using debugging tools to find and fix errors in your code.
Basic Code Organization:
Writing clean and well-structured code.
Using functions and modules.
Coding Style and Best Practices:
Adopting good coding practices and conventions.
Using C++ Standard Library:
Exploring standard library functions and data structures.
Basic C++ Programs:
Building simple programs to apply what you've learned.

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