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  1. var
  2. n: integer;
  3. res: integer;
  4. procedure printgraf(x: integer);
  5. var
  6. i: integer;
  7. begin
  8. if x >= 0 then
  9. begin
  10. printgraf(x - 1);
  11. printgraf(x - 1);
  12. for i := 0 to x - 1 do
  13. inc(res);
  14. printgraf(x - 2);
  15. end;
  16. end;
  17. begin
  18. res := 0;
  19. read(n);
  20. printgraf(n);
  21. writeln(res);
  22. end.
Success #stdin #stdout 0s 336KB
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https://ideone.com/QOUpWr
language:
Pascal (fpc 3.0.4)
created:
4 years ago
visibility:
public

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