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Discussion of Problem 1094. E-screen

I got WA1! Please help me!
Posted by Zyxel_Sasha 14 Nov 2005 14:29
{WA1}
program Sol;

{$APPTYPE CONSOLE}
{$O-}
uses
  SysUtils;
var ch:char;
    screen:array[1..80]of char;
    i,j,cx,cy:integer;
begin
 { assign(input,'input.txt');
  reset(input);
  assign(output,'output.txt');
  rewrite(output);}
  read(ch);
  cx:=1;
  cy:=1;
  fillchar(screen,sizeof(screen),'#');
  while not(eof(input)) do
  begin
    case ch of
    '<':
    begin
      dec(cx);
      if cx<1 then cx:=1
    end;
    '>':
    begin
      inc(cx);
      if cx>80 then cx:=1;
    end;
    #10,#13:readln;
    else
        screen[cx]:=ch;
        inc(cx);
        if cx>80 then cx:=1;
    end;
    read(ch);
  end;
  for j:=1 to 80 do
  if screen[j]='#' then write('*')
  else
    write(screen[j]);

{  close(input);
  close(output);}
end.