Practice 20.cpp

#include <iostream>
#include <climits> // use limits.h for older systems
int main()
{
	using namespace std;
	int n_int = INT_MAX; // initialize n_int to max int value
	short n_short = SHRT_MAX; // symbols defined in climits file
	long n_long = LONG_MAX;
	long long n_llong = LLONG_MAX;
	// sizeof operator yields size of type or of variable
	cout << "int is " << sizeof(int) << " bytes." << endl;
	cout << "short is " << sizeof n_short << " bytes." << endl;
	cout << "long is " << sizeof n_long << " bytes." << endl;
	cout << "long long is " << sizeof n_llong << " bytes." << endl;
	cout << endl;
	cout << "Maximum values:" << endl;
	cout << "int: " << n_int << endl;
	cout << "short: " << n_short << endl;
	cout << "long: " << n_long << endl;
	cout << "long long: " << n_llong << endl << endl;
	cout << "Minimum int value = " << INT_MIN << endl;
	cout << "Bits per byte = " << CHAR_BIT << endl;
 
	short a = CHAR_BIT;
	cout << 4*a << endl;
	cin.get();cin.get();
	return 0;
}