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Copy pathch04.cpp
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//
// chapter 4
// 表达式
#include <iostream>
using namespace std;
int q_4_28()
{
cout << "bool:\t\t" << sizeof(bool) << " bytes" << endl << endl;
cout << "char:\t\t" << sizeof(char) << " bytes" << endl;
cout << "wchar_t:\t" << sizeof(wchar_t) << " bytes" << endl;
cout << "char16_t:\t" << sizeof(char16_t) << " bytes" << endl;
cout << "char32_t:\t" << sizeof(char32_t) << " bytes" << endl << endl;
cout << "short:\t\t" << sizeof(short) << " bytes" << endl;
cout << "int:\t\t" << sizeof(int) << " bytes" << endl;
cout << "long:\t\t" << sizeof(long) << " bytes" << endl;
cout << "long long:\t" << sizeof(long long) << " bytes" << endl << endl;
cout << "float:\t\t" << sizeof(float) << " bytes" << endl;
cout << "double:\t\t" << sizeof(double) << " bytes" << endl;
cout << "long double:\t" << sizeof(long double) << " bytes" << endl << endl;
return 0;
}
int main(){
q_4_28();
}