�正整数 表示<span lang="EN-US">N</span>、<span lang="EN-US">M<o:p></o:p></span></font></span></p>
<p class="MsoNormal" style="margin: 0cm 0cm 0pt"><span lang="EN-US" style="font-size: 12pt; font-family: 微软雅黑; mso-hansi-font-family: 微软雅黑"><o:p></o:p></span></p></div></div></div></div></div><div class="row"><div class="column"><h4 class="ui top attached block header">输出格式</h4><div class="ui bottom attached segment font-content"><div style="position: relative; overflow: hidden;">