The school adopts a single elimination system to hold table tennis singles competitions. A total of 10 games were played to determine the champion. Then how many players should participate in the competition.
学校采用单场淘汰制举行乒乓球单打比赛．共赛了10场决出冠军．则应有多少名选手参加比赛．
<gadget id="calculator">10 + 1</gadget>
<output>11</output>

<result>11</result>