Datatype size overview

Create an overview of various datatypes and their sizes using the sizeof operator. Here are some datatypes you can include: char, int, float, double, bool, short, long, long long, unsigned int, etc.

Answer

#include <iostream>

int main() {
    // Using sizeof to determine and print the size of various data types
    std::cout << "Size of char: " << sizeof(char) << " byte" << std::endl;
    std::cout << "Size of int: " << sizeof(int) << " bytes" << std::endl;
    std::cout << "Size of float: " << sizeof(float) << " bytes" << std::endl;
    std::cout << "Size of double: " << sizeof(double) << " bytes" << std::endl;
    std::cout << "Size of bool: " << sizeof(bool) << " byte" << std::endl;
    std::cout << "Size of short: " << sizeof(short) << " bytes" << std::endl;
    std::cout << "Size of long: " << sizeof(long) << " bytes" << std::endl;
    std::cout << "Size of long long: " << sizeof(long long) << " bytes" << std::endl;
    std::cout << "Size of unsigned int: " << sizeof(unsigned int) << " bytes" << std::endl;
    std::cout << "Size of unsigned char: " << sizeof(unsigned char) << " byte" << std::endl;
    std::cout << "Size of unsigned long: " << sizeof(unsigned long) << " bytes" << std::endl;
    std::cout << "Size of unsigned long long: " << sizeof(unsigned long long) << " bytes" << std::endl;

    return 0;
}

The size of some datatypes vary based on your system architecture and compiler.