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  1. #include <stdio.h>
  2. #include <math.h>
  3. struct hen{
  4. 	double a;
  5. 	double b;
  6. 	double c;
  7. }length;
  8. int main(void) {
  9. 	// your code goes here
  10. 	double S,s;
  11. 	scanf("%lf",&length.a);
  12. 	scanf("%lf",&length.b);
  13. 	scanf("%lf",&length.c);
  14.  
  15. 	s=(length.a+length.b+length.c)/2;
  16. 	printf("%lf\n",s);
  17. 	S=s*(s-length.a)*(s-length.b)*(s-length.c);
  18.  
  19. 	printf("%lf",sqrt(S));
  20. 	return 0;
  21. }
  22.  
Success #stdin #stdout 0.01s 5284KB
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https://ideone.com/UQ32e7
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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