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  1. #include <stdio.h>
  2. unsigned long long fib(int term, int val, int prev)
  3. {
  4. if (term == 0)
  5. {
  6. return prev; // fibo ke-x
  7. }
  8. return (fib(term - 1, val + prev, val));
  9. }
  10. int main()
  11. {
  12. int x;
  13. scanf("%d", &x);
  14. printf("%llu", 125 * fib(x, 1, 0));
  15. }
Success #stdin #stdout 0s 5684KB
stdin
3
stdout
250