;"><code class="lang-plain">
			<div class=content><span class=sampledata>110 121 65<br />
45 61 25<br />
144 168 104<br />
</span></div></code></pre></div></div></div></div></div><div class="row"><div class="column"><h4 class="ui top attached block header">数据范围与提示</h4><div class="ui bottom attached segment font-content"><div style="position: relative; overflow: hidden;">
			<div class=content><p><p>对于 100% 数据，满足 n &lt;= 2^10000;k &lt;= 50; 0 &lt;= Mij &lt; 10^9 +7</p><br />
