프롬프트 없음
3 5 10 20 21 18 99 5 19 22 20 16 17 18 17 40 60 80 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
24
출처: USACO 2014 January Contest, Gold Problem 3. Ski Course Rating