设有如下程序：main（){int n1,n2;scanf（&quot;%d&quot;,&amp;amp;n2);while（n2!=0){ n1=n2%10;n2=n2／10;printf（&quot;&quot; /> <div class=&quot;width960&quot;> <div id=&quot;div_lit_topnav_960_90&quot;> <div class=&quot;h15&quot;> </div> <script type=&quot;text/javascr