From: Matthew Desmarais <desmarm@...>
Date: 2005-12-10T06:53:53+09:00
Subject: Re: Unspecified Syntax Error

StarLion wrote:

>def MakeBoard
> rcount = 0
> puts "Push enter, then begin input. (For Input Format Compliance, extra 
>enter key is necessary)"
> gets
> board = [0,0,0,0,0,0,0,0,0]
> 9.times do
>   instr = gets
>   board[rcount] = 
>[instr[0],instr[1],instr[2],instr[3],instr[4],instr[5],instr[6],instr[7],instr[8]]
>   rcount += 1
> end
> return board
>end
>
>def CheckBoard(board)
> complete = 1 #Is the puzzle complete?
> problems = 0 #Are there any problems?
>
> #first, rows.
> h = 0
> 9.times do
>  g = 0
>  group = [0,0,0,0,0,0,0,0,0]
>  9.times do
>    if board[h][g] == "."
>      group[g] = 0
>      complete = 0
>    else
>      group[g] = board[h][g]
>    end
>  end
>  problems = VerifyGroup(group)
>
>  #puts "Row " + h.to_s + " Problems? " + problems.to_s
>end
> #end Row Check
>
> #next, columns.
> h = 0
> 9.times do
>  g = 0
>  group = [0,0,0,0,0,0,0,0,0]
>  9.times do
>    if board[g][h] == "."
>      group[g] = 0
>      complete = 0
>    else
>      group[g] = board[g][h]
>    end
>  end
>  problems = VerifyGroup(group)
>  #puts "Col " + h.to_s + " Problems? " + problems.to_s
> end
> ##end Col Check
>
> ##Finally, the tricky one... the Boxes..
> startx = 0
> starty = 0
> curx = 0
> cury = 0
> count = 0
> group = [0,0,0,0,0,0,0,0,0]
> 3.times do #Row Blocks
>  3.times do #Cols Blocks
>   3.times do #Rows of Block
>    3.times do #Cols of Block
>     if board[curx][cury] == "."
>      group[count] = 0
>     else
>      group[count] = board[curx][cury]
>     end
>     curx += 1
>    end
>    curx = startx
>    cury += 1
>   end #We now have a 3x3 block. Verify Data.
>   problems = VerifyGroup(group)
>   #puts "Box " + startx.to_s + "," + starty.to_s + " Problems? " + 
>problems.to_s
>   count = 0
>   startx += 3
>   cury = starty
>   curx = startx
>  end
>  starty += 3
>  startx = 0
>  cury = starty
>  curx = startx
> end
>
>#Resolve the output.
>if problems == 0
>  if complete == 1
>    $output = $output + "You've done it!\n"
>  else
>    $output = $output + "Looking good so far...\n"
>  end
>else
>  $output = $output + "You've got a problem.\n"
>end
>end #FINALLY!
>
>def VerifyGroup(group)
>  #logic for Check
>  flag = 0
>  check = [0,0,0,0,0,0,0,0,0,0]
>  group.each do |num|
>   if check[num] == 0 && num != 0
>      check[num] = 1
>   else if num == 0
>      check[0] = 0
>   else
>      flag = 1
>   end
>   num += 1
>  end
>  return flag
>end
>
>
>$output = ""
>n = gets
>n.to_i.times do
>board = MakeBoard()
>CheckBoard(board)
>puts $output
>end
>
>
>Throws unspecified "Syntax Error" on 126 (last line of the code - 
>'end')... no idea what's going wrong?
>  
>
Hi -

For starters, you're gonna want to replace "else if" with "elsif".  The 
"else if" starts a second if, so using "else if" will leave you one 
"end" short.  That'll get you a syntax error for sure.

Regards,
Matthew J Desmarais