输出所有C++类型值范围的代码

#include <iostream>
using namespace std;
#include <climits> // The integral type limit constants.
#include <cfloat> // The floating type limit constants.
void main() {
    int iIntSize1 = sizeof (int);
    int iIntSize2 = sizeof iIntSize1;
    cout << "integer size: " << iIntSize1 << " " << iIntSize2 << endl;
    int* pSize = &iIntSize1;
    int iPtrSize = sizeof pSize;
    cout << "pointer size: " << iPtrSize << endl;
    int array[3] = {1, 2, 3};
    int iArraySize = sizeof array;
    cout << "array size: " << iArraySize << endl << endl;
    cout << "Minimum signed char: " << SCHAR_MIN << endl;
    cout << "Maximum signed char: " << SCHAR_MAX << endl;
    cout << "Minimum signed short int: " << SHRT_MIN << endl;
    cout << "Maximum signed short int: " << SHRT_MAX << endl;
    cout << "Minimum signed int: " << INT_MIN << endl;
    cout << "Maximum signed int: " << INT_MAX << endl;
    cout << "Minimum signed long int: " << LONG_MIN << endl;
    cout << "Maximum signed long int: " << LONG_MAX << endl << endl; // The minimum value of an unsigned integral type is always // zero.
    cout << "Maximum unsigned char: " << UCHAR_MAX << endl;
    cout << "Maximum unsigned short int: " << USHRT_MAX << endl;
    cout << "Maximum unsigned int: " << UINT_MAX << endl;
    cout << "Maximum unsigned long int: " << ULONG_MAX << endl << endl; // There are no constants for long double.
    cout <<"Minimumfloat:"<<FLT_MIN<<endl;
    cout << "Minimum float: " << FLT_MIN << endl;
    cout<<"Maximumfloat:"<<FLT_MAX<<endl;
    cout << "Maximum float: " << FLT_MAX << endl;
    cout << "Minimum double: " << DBL_MIN << endl;
    cout << "Maximum double: " << DBL_MAX << endl;
}