/* Comp1917 - lab2 - Area of a triangle */

#include <stdio.h>
#include <math.h>

int main ( void )
{
 int a, b, c, s, area;

 printf( "Enter values of sides a, b, and c \n" );
 scanf( "%d %d %d", &a,&b,&c );

 if( a > 0 && b > 0 && c > 0 ); {
   s = (a + b + c) / 2;
   area = sqrt(s * (s - a) * (s - b) * (s - c));
   printf( " Area of triangle is %d \n ", area);
  }

 else {
   printf( "Error, invalid value entered \n " );
  }

return 0;

}