题解 | #网购#
网购
http://www.nowcoder.com/practice/5d7dfd405e5f4e4fbfdff6862c46b751
负值场景需要处理
input_val=input().split(" ")
price=float(input_val[0])
month,day,discount=map(int,input_val[1:])
if month==11 and day==11:
price=price*0.7
elif month==12 and day==12:
price=price*0.8
if discount==1:
price=price-50
if price<0:
price=0
print("{:.2f}".format(price))
