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Discussion of Problem 1195. Ouths and Crosses

Why I get WA? Pelase, help me!!!!!!! (+)
Posted by Nazarov Denis (nsc2001@rambler.ru) 3 Mar 2002 16:51
Program t1195;

Const May = 'XO#';

Var  P    : array[1..3,1..3]of Char;
     i,j  : integer;

Procedure WriteAns(S : String);
 begin
  Write(S);
  Halt;
 end;

Function CheckO(ch1,ch2,ch3 : Char) : boolean;
 begin
  CheckO:= (ch1='O')and(ch2='O')and(ch3='O');
 end;

Function GetCheckO : boolean;
 begin
  GetCheckO :=
   CheckO(p[1,1],p[1,2],p[1,3]) or
   CheckO(p[2,1],p[2,2],p[2,3]) or
   CheckO(p[3,1],p[3,2],p[3,3]) or
   CheckO(p[1,1],p[2,1],p[3,1]) or
   CheckO(p[1,2],p[2,2],p[3,2]) or
   CheckO(p[1,3],p[2,3],p[3,3]) or
   CheckO(p[1,1],p[2,2],p[3,3]) or
   CheckO(p[1,3],p[2,2],p[3,1]);
 end;

Function CheckX(ch1,ch2,ch3 : Char) : boolean;
 begin
  CheckX:= (ch1='X')and(ch2='X')and(ch3='X');
 end;

Function GetCheckX : boolean;
 begin
  GetCheckX :=
   CheckX(p[1,1],p[1,2],p[1,3]) or
   CheckX(p[2,1],p[2,2],p[2,3]) or
   CheckX(p[3,1],p[3,2],p[3,3]) or
   CheckX(p[1,1],p[2,1],p[3,1]) or
   CheckX(p[1,2],p[2,2],p[3,2]) or
   CheckX(p[1,3],p[2,3],p[3,3]) or
   CheckX(p[1,1],p[2,2],p[3,3]) or
   CheckX(p[1,3],p[2,2],p[3,1]);
 end;

Procedure Solve;
var i1,j1,i2,j2  : integer;
    k            : integer;
    ans          : array[1..3]of boolean;
    ok           : boolean;
 begin
  k:=0;
  ok:=false;
  for i1:=1 to 3 do for j1:=1 to 3 do if P[i1,j1]='#' then begin
   P[i1,j1]:='X';
   k:=k+1;
   if GetCheckX then ok:=true;
   ans[k]:=false;
   for i2:=1 to 3 do for j2:=1 to 3 do if P[i2,j2]='#' then begin
    P[i2,j2]:='O';
    if GetCheckO then ans[k]:=true;
    P[i2,j2]:='#';
   end;
   P[i1,j1]:='#';
  end;
  if ok then WriteAns('Crosses win');
  if ans[1] and ans[2] and ans[3] then WriteAns('Ouths win');
  WriteAns('Draw');
 end;

begin
 for i:=1 to 3 do
  for j:=1 to 3 do begin
   read(P[i,j]);
   while Pos(P[i,j],May)=0 do read(P[i,j]);
  end;
 Solve;
end.