C/C++描述 第十一届蓝桥杯省赛 C/C++ 大学B组 第一场(2020.7.5) 试题D REPEAT 程序 题解 题目+题解

dir = '/Users/qiguan/Downloads/C++大学B组/REPEAT程序.txt'
file = open(dir)
data = file.read()
len = data.__len__()


def get_indent(i):
    now_indent = 0
    while data[i] == ' ':
        now_indent = now_indent + 1
        i = i + 1
    return now_indent, i


def get_flag(i):
    if data[i] == 'R':
        i = i + 7
        return 1, i
    if data[i] == 'A':
        i = i + 8
        return 2, i


# 当前处理中的行前缩进空格数
indent = 0
# 控制下标
i = 5
# A的值
A = 0
# 乘数
multiplier =  1
# 乘数 集合
multiplier_list = []
flag = 0
while i != len:
    if data[i] == '\n':
        i = i + 1
        if i >= len -1:
            break
        now_indent, i = get_indent(i)
        flag, i = get_flag(i)
        if now_indent < indent:
            multiplier /= multiplier_list[-1]
            multiplier_list.pop()
        if flag == 1:
            multiplier *= int(data[i])
            multiplier_list.append(int(data[i]))
            i += 2
        # A = A +
        if flag == 2:
            A += int(data[i])*multiplier
            i += 1
        indent = now_indent
print(A)