Question

How to find the size of char, int, float and double in C++

Answer 1

#include <iostream>

int main() {
    std::cout << "Size of char: " << sizeof(char) << " byte" << "\n";
    std::cout << "Size of int: " << sizeof(int) << " bytes" << "\n";
    std::cout << "Size of float: " << sizeof(float) << " bytes" << "\n";
    std::cout << "Size of double: " << sizeof(double) << " bytes";
     
    return 0;
}
 
 
 
 
/*
 
run:
 
Size of char: 1 byte
Size of int: 4 bytes
Size of float: 4 bytes
Size of double: 8 bytes
 
*/

 

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