#include<iostream>
#include<iomanip>
using namespace std;

int main()
{
    int num =10;   // 4 byte can take any integer value  -2^(31)  to 2^(31) - 1
    num = -20;
    long bignum; // 8 bytes can take any integer value  -2^(63)  to 2^(63) - 1
    bignum = 31333383131931093;
    float salary; //4 bytes
    salary = -13.32323113;
    double big_salary; //8 bytes
    big_salary = 32321323.2424242424242424;
    cout << big_salary << endl;
    cout << setprecision(2)<<big_salary << endl;
    cout << fixed<< setw(10)<< setprecision(2)<<big_salary << endl;
/*
                                sign      Exponent      	  Fraction 	
      Single Precision  	1 [31] 	  8 [30-23] 	         23 [22-00] 
      Double Precision 	        1 [63] 	  11 [62-52] 	         52 [51-00] 	

*/
    char ch; //one bye
    ch = 'D';
    cout << ch << endl;
    bool flag; //one byte
    flag = true;  // only two value true and false
    cout << "flag = " <<flag << endl;
    flag = false;
    string s; //starts with 8 bytes and automatically increases in size
             //as you add more caracters to it
    s= "DOG";
    cout << "s = " <<s <<endl; 
    cin.get();
    return 0;
}