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Feb 23rd, 2019
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Pascal 0.20 KB | None | 0 0
  1. program feladat11;
  2. uses crt;
  3. var i,n,sum:integer;
  4. begin
  5. clrscr;
  6. writeln('Adj meg egy számot.');
  7. readln(n);
  8. sum:=0;
  9. for i:=1 to n do begin
  10. sum=sum+i*2;
  11. end;
  12. writeln(sum);
  13. readkey;
  14. end.
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