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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main(void) {
  5. 	// your code goes here
  6. int a,b,c;
  7. scanf ("%d%d%d",&a,&b,&c);
  8. double  s;
  9. s=0.5*(a+b+c);
  10. double area;
  11. area=sqrt (s*(s-a)*(s-b)*(s-c));
  12. printf ("%f",area);
  13.  
  14.  
  15. 	return 0;
  16. }
  17.  
Success #stdin #stdout 0s 5288KB
comments (?)
stdin 
3,4,5
stdout 
-nan
https://ideone.com/vl8f60
language:
C (gcc 8.3)
created:
13 days ago
visibility:
public

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