题解 | #牛牛的绩点#
牛牛的绩点
https://www.nowcoder.com/practice/de8bc3e736164786b07a4dd64ed172f7
import sys
a = []
total = 0.00
mark = 0
b = input()
while b != "False":
a = input()
a = int(a)
mark += a
if b == "A":
total += 4.0 * a
elif b == "B":
total += 3.0 * a
elif b == "C":
total += 2.0 * a
elif b == "D":
total += 1.0 * a
elif b == "F":
total += 0.0 * a
b = input()
print("{:.2f}".format(total/mark))
查看20道真题和解析