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  1. #include <stdio.h>
  2. int fibonacci (int n){
  3. if (n==0)
  4. return 0;
  5. if (n==1)
  6. return 1;
  7. int f1=1;
  8. int f0=0;
  9. int F=0;
  10. int i;
  11. for(i=2;i<=n;i++)
  12. {
  13. F=f0+f1;
  14. f0=f1;
  15. f1=F;
  16. }
  17. return F;
  18. }
  19. int main(){
  20. printf("%d", fibonacci(5));
  21. return 0;
  22. }
Success #stdin #stdout 0s 5308KB
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stdin
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Standard input is empty
stdout
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5
https://ideone.com/4ZqK02
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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