1

<p>#include&lt;stdio.h&gt;</p><p><br ></p><p>int main()</p><p><br ></p><p>{</p><p><br ></p><p>&nbsp; int a,b,c,max;</p><p><br ></p><p>&nbsp; printf(&quot;请输入三个数：&quot;);</p><p><br ></p><p>&nbsp; scanf(&quot;%d,%d,%d&quot;,&amp;a,&amp;b,&amp;c);</p><p><br ></p><p>&nbsp; max=a;</p><p><br ></p><p>&nbsp; if (max&lt;b)</p><p><br ></p><p>&nbsp; &nbsp;{</p><p><br ></p><p>&nbsp; &nbsp; &nbsp; max=b;</p><p><br ></p><p>&nbsp; &nbsp;}</p><p><br ></p><p>&nbsp; if (max&lt;c)&nbsp;</p><p><br ></p><p>&nbsp; &nbsp;{&nbsp; &nbsp;</p><p><br ></p><p>&nbsp; &nbsp;max=c;</p><p><br ></p><p>&nbsp; &nbsp;}</p><p><br ></p><p>&nbsp; printf(&quot;%d\n&quot;,max);</p><p><br ></p><p>&nbsp; return 0;</p><p><br ></p><p>}</p><p><br ></p><p>结果:</p><p><br ></p><p>请输入三个数：-1,2,45</p><p><br ></p><p>45</p><p><br ></p><p>&nbsp;</p><p><br ></p><p>&nbsp;</p><p><br ></p><p>&nbsp;</p><p><br ></p><p><br ></p>