30 lines
1.0 KiB
C++
30 lines
1.0 KiB
C++
// limits.cpp -- some integer limits
|
|
#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;
|
|
// cin.get();
|
|
return 0;
|
|
}
|