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  1. program Sum;
  2. var
  3. i: integer;
  4. s: real;
  5. const
  6. N = 1000;
  7. begin
  8. s := 0;
  9. for i := 1 to N do
  10. s := s + 1/i;
  11. write(s);
  12. end.
Success #stdin #stdout 0.01s 252KB
stdin
Standard input is empty
stdout
 7.485470860550343E+000