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- // 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;
- }
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