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  1. #include <stdio.h>
  2.  
  3. long fact(int n)
  4. {
  5. 	static int res = 1;
  6. 	return (res *= n);
  7. }
  8.  
  9. int main(void)
  10. {
  11. 	float Result = 1.0;
  12. 	for ( int  i = 2 ; i <= 20 ; ++i )
  13. 		Result += (float) i / fact(i);
  14. 	printf("%f\n", Result);
  15. }
Success #stdin #stdout 0.02s 1720KB
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2.718282
https://ideone.com/XXfZd
language:
C99 (gcc 8.3)
created:
11 years ago
visibility:
public

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