4><div class="ui bottom attached segment font-content"><div style="position: relative; overflow: hidden;"><h4>样例输入</h4><div class="ui existing segment"><pre style="margin-top:0; margin-bottom:0;"><code class="lang-plain">
			<div class=content><span class=sampledata>12 19<br />
1077 2677<br />
7473 4262<br />
1095 8844<br />
84 7875<br />
7241 7320<br />
9143 4888<br />
4524 1947<br />
4652 1260<br />
3503 7882<br />
4692 223<br />
9745 5245<br />
2037 2387<br />
0 1<br />
0 2<br />
1