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  1. #include <stdio.h>
  2. #include<math.h>
  3. void main()
  4. {
  5. 	float a,b,c,s,area;
  6. 	scanf("%f,%f,%f",&a,&b,&c);
  7. 	s=1.0/2*(a+b+c);
  8. 	area=sqrt(s*(s-a)*(s-b)*(s-c));
  9. 	printf("a=%7.2f,  b=%7.2f,  c=%7.2f,  s=%7.2f\n",a,b,c,s);
  10. 	printf("area=%7.2f\n",area);
  11. }
Success #stdin #stdout 0s 5276KB
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stdin
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3,4,6
stdout
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a=   3.00,  b=   4.00,  c=   6.00,  s=   6.50
area=   5.33
https://ideone.com/gGP4h2
language:
C (gcc 8.3)
created:
10 hours ago
visibility:
public

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