C++ program to find the size of data types
#include <iostream>
#include <iomanip>
using namespace std;
int main()
    cout<<"\nProgram to print the size of data types\n";
    cout<<"\nThe size of int "<<setw(11)<<"| "<<sizeof(int)<<"\n";
    cout<<"The size of float "<<setw(9)<<"| "<<sizeof(float)<<"\n";
    cout<<"The size of short "<<setw(9)<<"| "<<sizeof(short)<<"\n";
    cout<<"The size of double "<<setw(8)<<"| "<<sizeof(double)<<"\n";
    cout<<"The size of long "<<setw(10)<<"| "<<sizeof(long)<<"\n";
    cout<<"The size of char "<<setw(10)<<"| "<<sizeof(char)<<"\n";
    cout<<"The size of bool "<<setw(10)<<"| "<<sizeof(bool)<<"\n";
    cout<<"The size of NULL "<<setw(10)<<"| "<<sizeof(NULL)<<"\n";
    cout<<"The size of wchar_t "<<setw(7)<<"| "<<sizeof(wchar_t)<<"\n";
    cout<<"Size of long int "<<setw(10)<<"| "<<sizeof(long int)<<"\n";
    cout<<"Size of short int "<<setw(9)<<"| "<<sizeof(short int)<<"\n";
    cout<<"Size of long double "<<setw(7)<<"| "<<sizeof(long double)<<"\n";
    cout<<"Size of signed int "<<setw(8)<<"| "<<sizeof(signed int)<<"\n";
    cout<<"Size of unsigned int "<<setw(6)<<"| "<<sizeof(unsigned int)<<"\n";
    cout<<"Size of signed char "<<setw(7)<<"| "<<sizeof(signed char)<<"\n";
    cout<<"Size of unsigned char "<<setw(5)<<"| "<<sizeof(unsigned char)<<"\n";
    cout<<"Size of long signed int "<<setw(3)<<"| "<<sizeof(long signed int)<<"\n";
    cout<<"Size of long unsigned int"<<setw(0)<<"| "<<sizeof(long unsigned int)<<"\n";
    return 0;
kodingwindow@kw:~$ g++ kw.cpp
kodingwindow@kw:~$ ./a.out ——————————————————————————————————————————— Program to print the size of data types ——————————————————————————————————————————— The size of int | 4 The size of float | 4 The size of short | 2 The size of double | 8 The size of long | 8 The size of char | 1 The size of bool | 1 The size of NULL | 8 The size of wchar_t | 4 Size of long int | 8 Size of short int | 2 Size of long double | 16 Size of signed int | 4 Size of unsigned int | 4 Size of signed char | 1 Size of unsigned char | 1 Size of long signed int | 8 Size of long unsigned int| 8 ——————————————————————————————————————————— kodingwindow@kw:~$