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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4.  
  5.  
  6. int main(void){
  7.  
  8.      double a,b,c;
  9.      a=3;
  10.      b=4;
  11.      c=5;
  12.  
  13.  
  14. 	double p=(a+b+c)/2;
  15. 	double t,s;
  16. 	t=p*(p-a)*(p-b)*(p-c);
  17. 	s=sqrt(t);
  18.  
  19. 	printf("%f",s);
  20. 	return 0;
  21. }
  22.  
Success #stdin #stdout 0s 5316KB
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stdin
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Standard input is empty
stdout
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6.000000
https://ideone.com/o8fIMI
language:
C (gcc 8.3)
created:
6 hours ago
visibility:
public

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