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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int i,a[33],sum=0;
  5. 	a[0]=2;
  6. 	a[1]=-1;
  7. 	for( i=2 ; i<33 ; i++) {
  8. 		a[i] = (a[i-1]*-1)+a[i-2]+2;
  9. 	}
  10. 	for(i=0 ; i<33 ; i+=4) {
  11. 		sum = sum + a[i];
  12. 	}
  13. 	printf("result=%d\n",sum);
  14. 	return 0;
  15. }
  16.  
Success #stdin #stdout 0s 5532KB
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stdin
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Standard input is empty
stdout
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result=7651242
https://ideone.com/av4Pme
language:
C (gcc 8.3)
created:
1 year ago
visibility:
public

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