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处理数据

limits.cpp

来源: 处理数据

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原始代码预览

// 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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