What is the entry point of a C++ program? Which header file is used for standard input and output in C++?
Understand the Problem
The question is asking for the entry point of a C++ program and which header file is used for standard input and output in C++. It tests knowledge of basic C++ programming concepts.
Answer
Entry point: `main` function; Header file for I/O: `<iostream>`
The entry point of a C++ program is the main function, and the header file used for standard input and output is <iostream>.
Answer for screen readers
The entry point of a C++ program is the main function, and the header file used for standard input and output is <iostream>.
More Information
In C++, the main function marks the point where program execution starts. The <iostream> header file provides functionalities for input and output operations, using objects like cin and cout.
Tips
A common mistake is confusing the entry point of a C++ program, main, with other functions. Always ensure the main function is present in your program.
Sources
- Standard Input and Output in C++ - CS MTSU - cs.mtsu.edu
- Basic Input / Output in C++ - GeeksforGeeks - geeksforgeeks.org
