16 table tennis players participate in a singles knockout match (one player must be eliminated in each match) to determine the champion, how many games will be played in total.
16名乒乓球运动员参加单打淘汰赛(每赛一场就要淘汰一名运动员)要决出冠军，一共要比赛多少场．
<gadget id="calculator">16 - 1</gadget>
<output>15</output>

<result>15</result>