=content><p><span style="font-size: medium">* Line 1: A single integer, which is the greatest total value Bessie can win if both cows play optimally. </span></p>
<div><span style="font-size: medium">&nbsp;&nbsp;第一行：单个整数，表示如果双方都按最优策略玩游戏，先手可以拿到的最大价值</span></div></div></div></div></div></div><div class="row"><div class="column"><h4 class="ui top attached block header">样例</h4><div class="ui bottom attached segment font-content"><div st