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  1. #include <stdio.h>
  2.  
  3. int main() {
  4. 	int i,a[100];
  5. 	int sum=0;
  6. 	a[0]=2; 
  7. 	a[1]=-1;
  8. 	for(i=2;i<=32;i++){
  9. 		a[i]=-a[i-1]+a[i-2]+2;
  10. 		if(i%4==0){
  11.  
  12. 		sum=sum+a[i];
  13. 		}
  14. 	}
  15. 	sum=sum+a[0];
  16. 	printf("%d",sum);
  17. 	return 0;
  18.  
  19. }
Success #stdin #stdout 0s 5496KB
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https://ideone.com/WuoRfu
language:
C (gcc 8.3)
created:
1 year ago
visibility:
public

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