Question

Write a program with several variables of various data types such as int, long long int,...

Write a program with several variables of various data types such as int, long long int, float, double, char, and check their sizes in terms of bytes.

Make sure you do screen output of the bytes.

For C++ please

Homework Answers

Answer #1
#include <iostream>
using namespace std;

int main()
{
  int integerType;
  long long int longlongType;
  float floatType;
  double doubleType;
  char charType;

  // int
  cout << "Size of int is: " << sizeof(integerType) << " bytes\n";
  // long long int
  cout << "Size of long long int is: " << sizeof(longlongType) << " bytes\n";
  // float
  cout << "Size of float is: " << sizeof(floatType) << " bytes\n";
  // double
  cout << "Size of double is: " << sizeof(doubleType) << " bytes\n";
  // char
  cout << "Size of char is: " << sizeof(charType) << " bytes\n";


  return 0;
}

OUTPUT:

Explanation: We can use sizeof() function to calculate the size of different data types in C++.

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