on, <span class="keywordtype">int</span> state, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y);</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;  </div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;  <span class="comment">//static const int SIZE = 100;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;</div>
<div class="line"><a name="l00024"></a><span class="lineno"