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How would I modify this program

Posted on 2000-03-30
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Last Modified: 2010-04-16
How would I change this program so it will output BOTH the number of capitals gotten in 1 guess and the number gotten in 4 guesses?

Here it is:

var state: string;
    capital : string;
    Statefile: text;
    tries: integer;
    guess: string;
    correct_guess: integer;


procedure GETDATA (var localStatefile: text;
                   var localstate: string;
                   var localcapital: string);
   begin
      readln (localStatefile, localstate);
      readln (localStatefile, localcapital);
   end; {GETDATA}


procedure GUESS_CAPITAL (var tries: integer;
                         guess: string;
                         var localcorrect_guess: integer);

   begin{GUESS_CAPITAL}
      tries := 0;
     repeat
       tries := tries + 1;
       write ('Give capital of ', state, ' ' );
       readln (guess)
     until (guess = capital) or (tries = 4);
      if guess = capital then
         writeln ('Nice work. You got it on try ', tries);
         inc(localcorrect_guess);
      else
          begin{until}
           writeln ('You did not get it in 4 tries or less');
           writeln ('The correct answer is ' , capital)
          end;{until}
   end; {GUESS_CAPITAL}

procedure GUESSES (localcorrect_guess: integer);
   begin
     writeln ('You have guessed ' ,localcorrect_guess, ' states in 4 or fewer tries ');
   end;{GUESSES}


begin {main}
     assign (Statefile, 'A:\state2.dat');
     reset (Statefile);
     correct_guess:= 0;
     while not seekeof (Statefile) do
       begin
         GETDATA (Statefile, state, capital);
         GUESS_CAPITAL (tries, guess, correct_guess);
         GUESSES (correct_guess)
       end;
     close (Statefile)
end.
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Question by:kazooie21
  • 2
3 Comments
 
LVL 48

Expert Comment

by:dbrunton
ID: 2672005
Can you give some examples of the output you require because it is not clear enough?   Once you do that the rest is easy.
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LVL 6

Accepted Solution

by:
My name is Mud earned 10 total points
ID: 2672206
------------------------ Try this: -----------------------------
var
  wrongguesses: Array[1..4] Of String;
  state: string;
  Capital : string;
  Statefile: text;
  I,tries: integer;
  guess: string;
  correct_guess: integer;

procedure GETDATA (var localStatefile: text;
                   var localstate: string;
                   var localcapital: string);
begin
  readln (localStatefile, localstate);
  readln (localStatefile, localcapital);
end; {GETDATA}

procedure GUESS_CAPITAL (var tries: integer;
                         guess: string;
                         var localcorrect_guess: integer);
begin{GUESS_CAPITAL}
  tries := 0;
  repeat
    tries := tries + 1;
    write ('Give capital of ', state, ' ' );
    readln (guess);
    wrongguesses[tries]:=guess;
  until (guess = capital) or (tries = 4);
  if guess = capital then
    Begin
      writeln ('Nice work. You got it on try ', tries);
      inc(localcorrect_guess);
    End
  else
    begin{until}
      writeln ('You did not get it in 4 tries or less');
      WriteLn('Your wrong guesses were: ');
      For I:=1 to 4 do
        WriteLn(WrongGuesses[Tries]);
      writeln ('The correct answer is ' , capital)
    end;{until}
end; {GUESS_CAPITAL}

procedure GUESSES (localcorrect_guess: integer);
begin
  writeln ('You have guessed ' ,localcorrect_guess, ' states in 4 or fewer tries ');
end;{GUESSES}

begin {main}
  assign (Statefile, 'C:state2.dat');
  reset (Statefile);
  correct_guess:= 0;
  while not seekeof (Statefile) do
    begin
      GETDATA (Statefile, state, capital);
      GUESS_CAPITAL (tries, guess, correct_guess);
      GUESSES (correct_guess)
    end;
  close (Statefile)
end.
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LVL 6

Expert Comment

by:My name is Mud
ID: 2672218
By The WAY, Kazzoie... REMEMBER THIS IS WRONG

    if guess = capital then
      writeln ('Nice work. You got it on try ', tries);
      inc(localcorrect_guess);
    else
      begin{until}
        writeln ('You did not get it in 4 tries or less');
        writeln ('The correct answer is ' , capital)
      end;{until}

First in the
    if guess = capital then
      writeln ('Nice work. You got it on try ', tries);
      inc(localcorrect_guess);
The first Statement <writeln ('Nice work. You got it on try ', tries);> will only be executed, and in the statement <inc(localcorrect_guess);> you use a semicolon, those TWO statements are more than ONE statement, and when you want to execute more than ONE statement, that is TWO, THREE, ONE MILLION, ETC. You USE a Blocked statement, or whatever the name, like...

    BEGIN
       <First statement>; (* <--- Whatch the semicolon?? *)
       <Second Statement>; (* <--- Whatch the semicolon?? *)
       <...>; (* <--- Whatch the semicolon?? *)
       <One Millionth Statement> (* <-- Now here you use or Not use a semicolon, why 'cos is the END of the statement*)
    END;
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