标签:short limits int MAX long include plus C++ primer
// limits.cpp -- some integer limits
// 主要是了解int short long对应的不同数值
#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;
}
标签:short,limits,int,MAX,long,include,plus,C++,primer 来源: https://blog.csdn.net/wjl18270365476/article/details/100589311
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