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regergr

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Dec 15th, 2018
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  1. function fib(s: ansistring): ansistring;
  2. var f, f1, f2: TLongNumber;
  3. i, n: integer;
  4. begin
  5. n := StrToInt(str);
  6. f1 := 0;
  7. f2 := 1;
  8. i := 1;
  9. while i <= n do begin
  10. f := f1 + f2;
  11. f1 := f2;
  12. f2 := f;
  13. i += 1;
  14. end;
  15. result := ToString(f, 10);
  16. end;
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