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有精力的同学可以继续玩,像我这样把第二个SQL稍微包装一下,就变成了一个会下棋的程序了:
SQL> exec pkg_tictactoe.start_game('X-------O');
Your side: O
=============
X--
---
X-O
PL/SQL procedure successfully completed.
Elapsed: 00:00:00.10
SQL> exec pkg_tictactoe.play(4);
Your side: O
=============
X-X
O--
X-O
PL/SQL procedure successfully completed.
Elapsed: 00:00:00.04
SQL> exec pkg_tictactoe.play(2);
Your side: O
=============
XOX
OX-
X-O
========= You lose! =========
PL/SQL procedure successfully completed.
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