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  1. #include <stdio.h>
  2.  
  3. float area_circle(int r);
  4. int main(void) 
  5. {
  6. 	float result;
  7. 	result = area_circle(5);
  8. 	printf("Area of circle is %f",result);
  9. 	return 0;
  10. }
  11. float area_circle(int r)
  12. {
  13. 	float area;
  14. 	area = 3.14 *r *r;
  15. 	return area;
  16. }
Success #stdin #stdout 0s 2292KB
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stdin
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Standard input is empty
stdout
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Area of circle is 78.500000
https://ideone.com/dQvcE6
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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