View Code of Problem 24

#include <stdio.h>
int main()
{
	float a,b,c,p,s;
  	while(scanf("%f%f%f",a,b,c)!EOF)
	{	p=(a+b+c)/2;
  		s=sqrt(p*(p-a)*(p-b)*(p-c));
         	printf("%f",s);
        }

}
/*
Main.c: In function 'main':
Main.c:5:18: warning: format '%f' expects argument of type 'float *', but argument 2 has type 'double' [-Wformat=]
    while(scanf("%f%f%f",a,b,c)!EOF)
                 ~^      ~
Main.c:5:20: warning: format '%f' expects argument of type 'float *', but argument 3 has type 'double' [-Wformat=]
    while(scanf("%f%f%f",a,b,c)!EOF)
                   ~^      ~
Main.c:5:22: warning: format '%f' expects argument of type 'float *', but argument 4 has type 'double' [-Wformat=]
    while(scanf("%f%f%f",a,b,c)!EOF)
                     ~^      ~
Main.c:5:31: error: expected ')' before '!' token
    while(scanf("%f%f%f",a,b,c)!EOF)
         ~                     ^
                               )
Main.c:7:7: warning: implicit declaration of function 'sqrt' [-Wimplicit-function-declaration]
     s=sqrt(p*(p-a)*(p-b)*(p-c));
       ^~~~
Main.c:7:7: warning: incompatible implicit declaration of built-in function 'sqrt'
Main.c:7:7: note: include '<math.h>' or provide a declaration of 'sqrt'
Main.c:2:1:
+#include <math.h>
 int main()
Main.c:7:7:
     s=sqrt(p*(p-a)*(p-b)*(p-c));
       ^~~~
*/