해석이 안되는게 아니라 이해가 안가는데요there is a single tennis tournament.it is a knockout tournament....one player plays against another and the winner plays the winner of another match-and so onuntil there is a final winner.there is one final.two semi-finals.four quarter -finals ,and so onlets suopose there are 72 entries.how many games will be required to find the winner?with lateral thinking.there is another possibility .forget about a winner;let us find the losers ..each game produces one loser.so 71 games are needed왜 밑줄친부분이 71이라는 결과가 나오는건지 도무지 이해가 ...안갑니다...도와주세요