Cyborg data type sizes. You have been given a job as a programmer on a Cyborg supercomputer. In order to accomplish some calculations, you need to know how many bytes the following data types use: char, int, float, and double. You do not have any manuals, so you can’t look this information up. Write a C++ program that will determine the amount of memory used by these types and display the information on the screen.
// Programming Challenges of Chapter 2 on P77
// Written by Lanchuan Chang
#include <iostream>
using namespace std;
int main()
{
// 9. Cyborg Data Type Sizes
cout << " the size of a char is " << sizeof(char) << " bytes.\n";
cout << " the size of an int is " << sizeof(int) << " bytes.\n";
cout << " the size of a float is " << sizeof(float) << " bytes.\n";
cout << " the size of a double is " << sizeof(double) << " bytes.\n";
return 0;
}
In C++, you can use the `sizeof` operator to determine the size of data types in bytes. Here's an example program that displays the size of `char`, `int`, `float`, and `double`:
```cpp
#include <iostream>
int main() {
std::cout << "Size of char: " << sizeof(char) << " bytes" << 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;
return 0;
}
```
When you run this program, it will display the size of each data type in bytes. Each `sizeof` expression returns the size of the respective data type in bytes. The sizes may vary depending on the platform and compiler you are using.
Sure! You can determine the amount of memory used by different data types in C++ using the `sizeof` operator. The `sizeof` operator returns the size in bytes of its operand.
Here's an example C++ program that will determine the amount of memory used by the `char`, `int`, `float`, and `double` data types:
```cpp
#include <iostream>
int main() {
std::cout << "Size of char: " << sizeof(char) << " bytes" << 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;
return 0;
}
```
In this program, we use the `sizeof` operator to get the size of each data type, and then we print the size on the screen using `std::cout`.
When you run this program, it will display the size in bytes of each data type: `char`, `int`, `float`, and `double`.