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Pascal and Delphi Discussion Thread
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Oct 12th, 2009

Could you tell me how can I do this kind of question.

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Dear ALL,

Could you tell me how can I do this kind of question if I do not working with the computer and please find the attached document for your reference - it is the answer of the question?

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Complete the table below to show what each variable holds, the user enters the numbers 5, 6, 7, 8, 9
 
evens:=0;
for count:= 1 to 5 do
    begin
      writeln('Please enter a number');
      readln(numbers[count]);
      if (numbers[count] mod 2 = 0) then
	begin
	  evens := evens + 1;
	end
    end;
writeln(evens);
Complete the table below to show what each variable holds, the user enters the numbers 5, 6, 7, 8, 9

evens:=0;
for count:= 1 to 5 do
    begin
      writeln('Please enter a number');
      readln(numbers[count]);
      if (numbers[count] mod 2 = 0) then
	begin
	  evens := evens + 1;
	end
    end;
writeln(evens);

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Oct 12th, 2009

Re: Could you tell me how can I do this kind of question.

It is the attached document.

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Oct 12th, 2009

Re: Could you tell me how can I do this kind of question.

The way I read this, is that you need to calculate the value of the variable (evens). Just follow the source code in your head, or on paper, and do as it instructs.

I don't see output in the code, so I'm not sure what they mean by that.

Last edited by pritaeas; Oct 12th, 2009 at 7:19 am.

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Re: Could you tell me how can I do this kind of question.

Thank you for your prompt reply. Yes, I want to calculate the value of the variable (evens). Just follow the source code in my head, or on paper. But how can I do in this way?

Maybe, it is not useful for me to work on the computer for this kind of question.

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Oct 12th, 2009

Re: Could you tell me how can I do this kind of question.

Try it on paper. Write the values down. Then change them as you walk through each loop (in your head).

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