cpp/07variables_typescript.cpp at main · yuvrajj18/cpp · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
#include<iostream>
using namespace std;
int c = 45;

int main(){

   //*******build in data types******
    // int a, b, c;

//     cout <<"enter the value of a:" <<endl;
//     cin>>a;
//     cout << "enter the value of b:" <<endl;
//     cin>>b;
//   c = a+b;
//   cout<<"the sum is "<<c<<endl;
//   cout<<"the global c is " << ::c;


//***************float, double and long double litereals*********/
// float d = 67.94949f;
// long double e = 78.377373l;
// cout<<"the value of d is"<<d<<endl<<"the value of e is"<<e;
// cout<<endl;
// cout<<"the size of 67.94949 is "<<sizeof(67.94949)<<endl;
// cout<<"the size of 67.94949f is "<<sizeof(67.94949f)<<endl;
// cout<<"the size of 67.94949F is "<<sizeof(67.94949F)<<endl;
// cout<<"the size of 67.94949l is "<<sizeof(67.94949l)<<endl;
// cout<<"the size of 67.94949L is "<<sizeof(67.94949L)<<endl;

// //***************Reference Variables*********/
// float x = 455;
// float & y = x;
// cout<<y<<endl;


//************typecasting***********/
// int a = 76;
// float b = 89.939;
// cout<<"the valur of a is "<<(float)a<<endl;
// cout<<"the valur of a is "<<float(a)<<endl;

// cout<<"the value of b is "<<(int)b<<endl;
// cout<<"the value of b is "<<int(b)<<endl;
// cout<<endl;

// cout<<"the expression is"<<a + b<<endl;
// cout<<"the expression is"<<a + int(b)<<endl;
// cout<<"the expression is"<<a + (int)b <<endl;


    return 0;

}