About C++

C++ is a high-performance, general-purpose programming language supported by common programming paradigms including object-oriented, generic, and functional features.

Syntax Help

Fundamentals

• Main Function: int main() { ... }
• Output: std::cout << "Hello World";
• Input: std::cin >> x;

Example:

#include <iostream>

int main() {
    std::cout << "Hello, World!" << std::endl;
    return 0;
}

Execution Note

This editor is a client-side simulation. It parses basic std::cout and printf statements to demonstrate output but does not compile full C++ code.