Pool

• Problem Description

  
  You are planning to go for swimming classes. You would prefer to enroll in the center which has the swimming pool of a greater area. In the first centre that you visit, the swimming pool is a circular shape(radius-r). In the next centre that you visit, the swimming pool is of a square shape (side-S). Write a program that will help you to make the choice of the swimming pool. 
  
  Input : 
  Input consists of 2 integers. The first integer correspond to the radius (r) of the circular swimming pool, The second integer corresponds to the side (S) of the square swimming pool. 
  

• Test Case 1

  
  Input (stdin)

  4 4
  
  

  Expected Output

  I prefer centre 1

• Test Case 2

  
  Input (stdin)

  4 8
  
  

  Expected Output

  I prefer centre 2

Solution

#include <stdio.h>

const double pi=3.141;

int main ()

{

int r,s;

scanf ("%d%d",&r,&s);

if ((pi*r*r)>(s*s))

{

printf ("I prefer centre 1");

}

else

{

printf ("I prefer centre 2");

}

return 0;

}