자기 PC 자료형을 C++ 코드로 확인하기

#include <iostream>
 
int main() {
 std::cout << "1 char=" << sizeof(char) << std::endl;
 std::cout << "2 unsigned char=" << sizeof(unsigned char) << std::endl;
 std::cout << "3 int=" << sizeof(int) << std::endl;
 std::cout << "4 unsigned int=" << sizeof(unsigned int) << std::endl;
 std::cout << "5 long=" << sizeof(long) << std::endl;
 std::cout << "6 unsigned long=" << sizeof(unsigned long) << std::endl;
 std::cout << "7 float=" << sizeof(float) << std::endl;
 std::cout << "8 double=" << sizeof(double) << std::endl;
 std::cout << "9 long double=" << sizeof(long double) << std::endl;
 std::cout << "10 long long=" << sizeof(long long) << std::endl;
 std::cout << "11 unsigned long double=" << sizeof(unsigned long long) << std::endl;
 return 0;
}