Problem Solving and Programming Design (part 4)

// finding area of circle

• Comment

• Preprocessor directives

• Standard header file

• Main Function

• Block of Function

#include <iostream.h>

• Comment

• Preprocessor directives

• Standard header file

• Main Function

• Block of Function

The C++ standard library traditionally declare their standard functions in header files

• Comment

• Preprocessor directives

• Standard header file

• Main Function

• Block of Function

int main ()

• Comment

• Preprocessor directives

• Standard header file

• Main Function

• Block of Function

{

}

• Comment

• Preprocessor directives

• Standard header file

• Main Function

• Block of Function

float radius,area;

const float pi=3.14

• Identifiers

• Reserved word

• statement

if / while / do

• Identifiers

• Reserved word

• statement

cout<<"please enter the radius for the circle : ";

• Identifiers

• Reserved word

• statement

=

• Equal to

• not equal to

!=

• Equal to

• not equal to