题解 | 牛牛的短信
牛牛的短信
https://www.nowcoder.com/practice/435c9e2bf4f84bee99b82ce84e95b0b7
tiao = int(input())
zishu = list(map(int, input().split()))
fei = 0
for i in range(tiao):
zi = zishu[i]
if zi > 60:
fei += 0.2
else:
fei += 0.1
print(f'{fei:.1f}')
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