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  1. #include <stdio.h>
  2.  
  3. int a(int n){
  4. 	int result=0,i;
  5.  
  6. 	for(i=1;i<=n;i++)
  7. 	result=2*result+3;
  8.  
  9. 	return result;
  10. }
  11.  
  12. int main(void) {
  13. 	printf("%d",a(1));
  14. 	return 0;
  15. }
  16.  
Success #stdin #stdout 0.01s 5284KB
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Standard input is empty
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3
https://ideone.com/esoXQi
language:
C (gcc 8.3)
created:
45 days ago
visibility:
public

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