4_3.cpp

#include <iostream>
using namespace std;
int main()
{
    cout << "char is " <<  sizeof(char) << " bytes long" << endl;
    cout << "unsigned char is " <<  sizeof(unsigned char) << " bytes long" << endl;
    cout << "short is " <<  sizeof(short) << " bytes long" << endl;
    cout << "unsigned short is " <<  sizeof(unsigned short) << " bytes long" << endl;
    cout << "unsigned int is " <<  sizeof(unsigned int) << " bytes long" << endl;
    cout << "unsigned is "  << sizeof(unsigned) << " bytes long" << endl;
    cout << "unsigned long is "  << sizeof(unsigned long) << " bytes long" << endl;
    cout << "long is "  << sizeof(long) << " bytes long" << endl;
    cout << "float is " <<  sizeof(float) << " bytes long" << endl;
    cout << "double is "  << sizeof(double) << " bytes long" << endl;
    cout << "long double is "  << sizeof(long double) << " bytes long" << endl;
}