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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. struct Length{
  5. 	double a;
  6. 	double b; 
  7. 	double c;
  8. };
  9.  
  10. int main(void) {
  11. 	struct Length t;
  12. 	double s;
  13. 	double S;
  14. 	scanf("%lf", &t.a);
  15. 	scanf("%lf", &t.b);
  16. 	scanf("%lf", &t.c);
  17.  
  18. s=(t.a+t.b+t.c)/2;
  19. S=sqrt(s*(s-t.a)*(s-t.b)*(s-t.c));
  20. printf("S=%lf\n", S);
  21. printf("a=%lf\n", t.a);
  22. printf("b=%lf\n", t.b);
  23. printf("c=%lf\n", t.c);
  24.  
  25.  
  26. 	return 0;
  27. }
  28.  
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
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5 5 5
stdout
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S=10.825318
a=5.000000
b=5.000000
c=5.000000
https://ideone.com/PrW8Pf
language:
C99 (gcc 8.3)
created:
14 hours ago
visibility:
public

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