题解 | #网购#
网购
http://www.nowcoder.com/practice/5d7dfd405e5f4e4fbfdff6862c46b751
buy = input().split(" ") if buy[1]=='11': if buy[3]=='0': use_money = float(buy[0])*0.7 print("%.2f" %use_money) elif buy[3]=='1': use_money = float(buy[0])*0.7 -50.0 if use_money>=0.00: print("%.2f" %use_money) else: print("0.00") elif buy[1]=='12': if buy[3]=='0': use_money = float(buy[0])*0.8 print("%.2f" %use_money) elif buy[3]=='1': use_money = float(buy[0])*0.8 - 50.0 if use_money>=0.00: print("%.2f" %use_money) else: print("0.00")