A simple stream input and output using cin and cout C++ program example

 

Compiler: Visual C++ Express Edition 2005

Compiled on Platform: Windows XP Pro SP2

Header file: Standard

Additional project setting: Set project to be compiled as C++

Project -> your_project_name Properties -> Configuration Properties -> C/C++ -> Advanced -> Compiled As: Compiled as C++ Code (/TP)

Other info: none

To do: Comparing an age of two person in demonstrating the standard input stream reading and output stream writing in C++ programming

To show: How to compare an age of two person in demonstrating the standard input stream reading and output stream writing in C++ programming

 

// a simple stream input/output

#include <iostream>

using namespace std;

 

int main(void)

{

 

int myAge, friendAge;

 

cout<<"Enter your age: ";

cin>>myAge;

cout<<"Enter your friend's age: ";

cin>>friendAge;

 

if(myAge > friendAge)

cout<<"You are older.\n";

else

if(myAge < friendAge)

cout<<"You are younger.\n";

else

cout<<"You and your friend are the same age.\n";

return 0;

}

 

Output examples:

 

Enter your age: 99

Enter your friend's age: 23

You are older.

Press any key to continue . . .

 

Enter your age: 23

Enter your friend's age: 99

You are younger.

Press any key to continue . . .

 

Enter your age: 23

Enter your friend's age: 23

You and your friend are the same age.

Press any key to continue . . .

 

 

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