注意：1.有的FP版本不支持汉语，将会出现乱码。2.别想赢电脑了，平手不错了。
井字过三关：
program TicTacToe;
uses crt;
var
a:Array [1..3] of Array [1..3] of char;
b:Array [1..3] of Array [1..3] of integer;
i,n,g,e,p:integer;
t:text;
c:char;
o:integer;
r:integer;
s,h:integer;
ch,cal,ek,ck,hc:integer;
time:integer;
label xh,exit1;
begin
randomize;
clrscr;
writeln(‘1‘,chr(179),‘2‘,chr(179),‘3‘);
writeln(chr(196),chr(197),chr(196),chr(197),chr(196));
writeln(‘4‘,chr(179),‘5‘,chr(179),‘6‘);
writeln(chr(196),chr(197),chr(196),chr(197),chr(196));
writeln(‘7‘,chr(179),‘8‘,chr(179),‘9‘);
writeln(‘press enter‘);
readln;
xh:
ek:=0;
repeat
repeat
clrscr;
if ek=1 then writeln(‘wrong‘);
case b[1,1] of
0:a[1,1]:=‘ ‘;
1:a[1,1]:=‘o‘;
2:a[1,1]:=‘x‘;
end;
case b[1,2] of
0:a[1,2]:=‘ ‘;
1:a[1,2]:=‘o‘;
2:a[1,2]:=‘x‘;
end;
case b[1,3] of
0:a[1,3]:=‘ ‘;
1:a[1,3]:=‘o‘;
2:a[1,3]:=‘x‘;
end;
case b[2,1] of
0:a[2,1]:=‘ ‘;
1:a[2,1]:=‘o‘;
2:a[2,1]:=‘x‘;
end;
case b[2,2] of
0:a[2,2]:=‘ ‘;
1:a[2,2]:=‘o‘;
2:a[2,2]:=‘x‘;
end;
case b[2,3] of
0:a[2,3]:=‘ ‘;
1:a[2,3]:=‘o‘;
2:a[2,3]:=‘x‘;
end;
case b[3,1] of
0:a[3,1]:=‘ ‘;
1:a[3,1]:=‘o‘;
2:a[3,1]:=‘x‘;
end;
case b[3,2] of
0:a[3,2]:=‘ ‘;
1:a[3,2]:=‘o‘;
2:a[3,2]:=‘x‘;
end;
case b[3,3] of
0:a[3,3]:=‘ ‘;
1:a[3,3]:=‘o‘;
2:a[3,3]:=‘x‘;
end;
writeln(a[1,1],chr(179),a[1,2],chr(179),a[1,3]);
writeln(chr(196),chr(197),chr(196),chr(197),chr(196));
writeln(a[2,1],chr(179),a[2,2],chr(179),a[2,3]);
writeln(chr(196),chr(197),chr(196),chr(197),chr(196));
writeln(a[3,1],chr(179),a[3,2],chr(179),a[3,3]);
write(‘press location‘);
c:=readkey;
if c=‘e‘ then
begin
ch:=3;
goto exit1;
end;
o:=ord(c);
p:=o-48;
case p of
1,2,3:g:=1;
4,5,6:g:=2;
7,8,9:g:=3;
end;
e:=o mod 3;
if e=0 then e:=3;
writeln;
ek:=1;
until ((c=‘0‘) or (c=‘1‘) or (c=‘2‘) or (c=‘3‘) or (c=‘4‘)
or (c=‘5‘) or (c=‘6‘) or (c=‘7‘) or (c=‘8‘) or (c=‘9‘));
until (a[g,e]<>‘x‘) and (a[g,e]<>‘o‘);
time:=time+1;
if c=‘1‘ then b[1,1]:=1;
if c=‘2‘ then b[1,2]:=1;
if c=‘3‘ then b[1,3]:=1;
if c=‘4‘ then b[2,1]:=1;
if c=‘5‘ then b[2,2]:=1;
if c=‘6‘ then b[2,3]:=1;
if c=‘7‘ then b[3,1]:=1;
if c=‘8‘ then b[3,2]:=1;
if c=‘9‘ then b[3,3]:=1;
clrscr;
for s:=1 to 3 do begin
for h:=1 to 3 do begin
if b[s,h]=1 then write(‘o‘);
if b[s,h]=2 then write(‘x‘);
if (b[s,h]<>1) and (b[s,h]<>2) then write(‘ ‘);
if h<>3 then write(chr(179));
end;
writeln;
if s<>3 then writeln(chr(196),chr(197),chr(196),chr(197),chr(196));
end;
if ((b[1,2]=1) and (b[2,2]=1) and (b[3,2]=1))
or ((b[1,1]=1) and (b[1,2]=1) and (b[1,3]=1))
or ((b[2,1]=1) and (b[2,2]=1) and (b[2,3]=1))
or ((b[3,1]=1) and (b[3,2]=1) and (b[3,3]=1))
or ((b[1,1]=1) and (b[2,1]=1) and (b[3,1]=1))
or ((b[1,3]=1) and (b[2,3]=1) and (b[3,3]=1))
or ((b[1,1]=1) and (b[2,2]=1) and (b[3,3]=1))
or ((b[1,3]=1) and (b[2,2]=1) and (b[3,1]=1))
then begin ch:=1; goto exit1; end;
cal:=0;
for s:=1 to 3 do begin
for h:=1 to 3 do begin
if (b[s,h]=1) or (b[s,h]=2) then cal:=cal+1;
end;
end;
if cal=9 then goto exit1;
writeln(‘press enter‘);
readln;
repeat
hc:=0;
ck:=0;
if (((b[1,2]=2) and (b[1,3]=2))
or ((b[2,1]=2) and (b[3,1]=2))
or ((b[2,2]=2) and (b[3,3]=2)))
and (b[1,1]<>1) then
begin
hc:=1;
ck:=ck+1;
r:=1;
end;
if (((b[1,1]=2) and (b[1,3]=2))
or ((b[2,2]=2) and (b[3,2]=2)))
and (b[1,2]<>1) then
begin
hc:=1;
ck:=ck+1;
r:=2;
end;
if (((b[1,1]=2) and (b[1,2]=2))
or ((b[2,3]=2) and (b[3,3]=2))
or ((b[2,2]=2) and (b[3,1]=2)))
and (b[1,3]<>1) then
begin
hc:=1;
ck:=ck+1;
r:=3;
end;
if (((b[1,1]=2) and (b[3,1]=2))
or ((b[2,2]=2) and (b[2,3]=2)))
and (b[2,1]<>1) then
begin
hc:=1;
ck:=ck+1;
r:=4;
end;
if (((b[1,1]=2) and (b[3,3]=2))
or ((b[1,3]=2) and (b[3,1]=2))
or ((b[1,2]=2) and (b[3,2]=2))
or ((b[2,1]=2) and (b[2,3]=2)))
and (b[2,2]<>1) then
begin
hc:=1;
ck:=ck+1;
r:=5;
end;
if (((b[2,1]=2) and (b[2,2]=2))
or ((b[1,3]=2) and (b[3,3]=2)))
and (b[2,3]<>1) then
begin
hc:=1;
ck:=ck+1;
r:=6;
end;
if (((b[1,1]=2) and (b[2,1]=2))
or ((b[3,2]=2) and (b[3,3]=2))
or ((b[1,3]=2) and (b[2,2]=2)))
and (b[3,1]<>1) then
begin
hc:=1;
ck:=ck+1;
r:=7;
end;
if (((b[1,2]=2) and (b[2,2]=2))
or ((b[3,1]=2) and (b[3,3]=2)))
and (b[3,2]<>1) then
begin
hc:=1;
ck:=ck+1;
r:=8;
end;
if (((b[1,1]=2) and (b[2,2]=2))
or ((b[1,3]=2) and (b[2,3]=2))
or ((b[1,1]=2) and (b[2,2]=2)))
and (b[3,3]<>1) then
begin
hc:=1;
ck:=ck+1;
r:=9;
end;
if hc=0 then begin
if time=1 then begin
if c=‘5‘ then r:=1;
if c<>‘5‘ then r:=5;
end
else
begin
if (((b[1,2]=1) and (b[1,3]=1))
or ((b[2,1]=1) and (b[3,1]=1))
or ((b[2,2]=1) and (b[3,3]=1)))
and (b[1,1]<>2) then
begin
ck:=ck+1;
r:=1;
hc:=3;
end;
if (((b[1,1]=1) and (b[1,3]=1))
or ((b[2,2]=1) and (b[3,2]=1)))
and (b[1,2]<>2) then
begin
ck:=ck+1;
r:=2;
hc:=3;
end;
if (((b[1,1]=1) and (b[1,2]=1))
or ((b[2,3]=1) and (b[3,3]=1))
or ((b[2,2]=1) and (b[3,1]=1)))
and (b[1,3]<>2) then
begin
ck:=ck+1;
ck:=ck+1;
r:=3;
hc:=3;
end;
if (((b[1,1]=1) and (b[3,1]=1))
or ((b[2,2]=1) and (b[2,3]=1)))
and (b[2,1]<>2) then
begin
ck:=ck+1;
r:=4;
hc:=3;
end;
if (((b[1,1]=1) and (b[3,3]=1))
or ((b[1,3]=1) and (b[3,1]=1))
or ((b[1,2]=1) and (b[3,2]=1))
or ((b[2,1]=1) and (b[2,3]=1)))
and (b[2,2]<>2) then
begin
ck:=ck+1;
r:=5;
hc:=3;
end;
if (((b[2,1]=1) and (b[2,2]=1))
or ((b[1,3]=1) and (b[3,3]=1)))
and (b[2,3]<>2) then
begin
ck:=ck+1;
r:=6;
hc:=3;
end;
if (((b[1,1]=1) and (b[2,1]=1))
or ((b[3,2]=1) and (b[3,3]=1))
or ((b[1,3]=1) and (b[2,2]=1)))
and (b[3,1]<>2) then
begin
ck:=ck+1;
r:=7;
hc:=3;
end;
if (((b[1,2]=1) and (b[2,2]=1))
or ((b[3,1]=1) and (b[3,3]=1)))
and (b[3,2]<>2) then
begin
ck:=ck+1;
r:=8;
hc:=3;
end;
if (((b[1,1]=1) and (b[2,2]=1))
or ((b[1,3]=1) and (b[2,3]=1))
or ((b[1,1]=1) and (b[2,2]=1)))
and (b[3,3]<>2) then
begin
ck:=ck+1;
r:=9;
hc:=3;
end;
end;{else}
end;{if}
if ek>1 then writeln(‘you can be the winner‘);
if hc=0 then r:=random(9);
if time=1 then begin
if c=‘5‘ then r:=1;
if c<>‘5‘ then r:=5;
end;
i:=r mod 3;
case r of
1,2,3:n:=1;
4,5,6:n:=2;
7,8,9:n:=3;
end;
if i=0 then i:=3;
writeln;
until (b[n,i]<>1) and (b[n,i]<>2) and (r<>0);
b[n,i]:=2;
clrscr;
case b[1,1] of
0:a[1,1]:=‘ ‘;
1:a[1,1]:=‘o‘;
2:a[1,1]:=‘x‘;
end;
case b[1,2] of
0:a[1,2]:=‘ ‘;
1:a[1,2]:=‘o‘;
2:a[1,2]:=‘x‘;
end;
case b[1,3] of
0:a[1,3]:=‘ ‘;
1:a[1,3]:=‘o‘;
2:a[1,3]:=‘x‘;
end;
case b[2,1] of
0:a[2,1]:=‘ ‘;
1:a[2,1]:=‘o‘;
2:a[2,1]:=‘x‘;
end;
case b[2,2] of
0:a[2,2]:=‘ ‘;
1:a[2,2]:=‘o‘;
2:a[2,2]:=‘x‘;
end;
case b[2,3] of
0:a[2,3]:=‘ ‘;
1:a[2,3]:=‘o‘;
2:a[2,3]:=‘x‘;
end;
case b[3,1] of
0:a[3,1]:=‘ ‘;
1:a[3,1]:=‘o‘;
2:a[3,1]:=‘x‘;
end;
case b[3,2] of
0:a[3,2]:=‘ ‘;
1:a[3,2]:=‘o‘;
2:a[3,2]:=‘x‘;
end;
case b[3,3] of
0:a[3,3]:=‘ ‘;
1:a[3,3]:=‘o‘;
2:a[3,3]:=‘x‘;
end;
writeln(a[1,1],chr(179),a[1,2],chr(179),a[1,3]);
writeln(chr(196),chr(197),chr(196),chr(197),chr(196));
writeln(a[2,1],chr(179),a[2,2],chr(179),a[2,3]);
writeln(chr(196),chr(197),chr(196),chr(197),chr(196));
writeln(a[3,1],chr(179),a[3,2],chr(179),a[3,3]);
if ((b[1,2]=2) and (b[2,2]=2) and (b[3,2]=2))
or ((b[1,1]=2) and (b[1,2]=2) and (b[1,3]=2))
or ((b[2,1]=2) and (b[2,2]=2) and (b[2,3]=2))
or ((b[3,1]=2) and (b[3,2]=2) and (b[3,3]=2))
or ((b[1,1]=2) and (b[2,1]=2) and (b[3,1]=2))
or ((b[1,3]=2) and (b[2,3]=2) and (b[3,3]=2))
or ((b[1,1]=2) and (b[2,2]=2) and (b[3,3]=2))
or ((b[1,3]=2) and (b[2,2]=2) and (b[3,1]=2))
then begin ch:=2; goto exit1; end;
goto xh;
exit1:
if cal=9 then writeln(‘deuce‘);
if ch=2 then writeln(‘lost‘);
if ch=1 then writeln(‘win‘);
if ch=3 then
begin
clrscr;
writeln(‘exited‘);
end;
writeln(‘press enter‘);
readln;
end.