题解 | #人民币转换#

import sys


def process_under_hundred(val_int: int) -> str:
    result = ""
    if val_int >= 10:
        num_ten = val_int // 10
        if num_ten == 1:
            result += "拾"
        else:
            result += num2ch[num_ten] + "拾"
        if val_int % 10 != 0:
            result += num2ch[val_int % 10]
    elif val_int > 0:
        result += num2ch[val_int % 10]
    # print("under hundred")
    return result


def process_under_thousand(val_int) -> str:
    result = ""
    if val_int >= 100:
        num_hundred = val_int // 100
        result += num2ch[num_hundred] + "佰"
        if val_int % 100 >= 10:
            result += process_under_hundred(val_int % 100)
        else:
            result += "零" + process_under_hundred(val_int % 100)
    else:
        result += process_under_hundred(val_int)
    return result


def process_under_wan(val_int: int) -> str:
    result = ""
    if val_int >= 1000:
        num_thousand = val_int // 1000
        result += num2ch[num_thousand] + "仟"
        if val_int % 1000 >= 100:
            result += process_under_thousand(val_int % 1000)
        else:
            result += "零" + process_under_thousand(val_int % 1000)
    else:
        result += process_under_thousand(val_int)
    return result


def process_exceed_wan(val_int: int) -> str:
    result = ""
    if val_int >= 10000:
        num_wan = val_int // 10000
        result = process_under_wan(num_wan) + "万"
        if val_int % 10000 < 1000:
            result += "零" + process_under_thousand(val_int % 10000)
        else:
            result += process_under_wan(val_int % 10000)
    else:
        result += process_under_wan(val_int)
    return result


# 要处理变量val_int
# 假如数字小于10
# 应当先处理//亿的部分，然后处理%亿，然后处理%万，千，佰，十


def process_exceed_yi(val_int: int) -> str:
    left_yi = val_int % 100000000
    result = ""
    if left_yi >= 100000000:
        result = process_exceed_yi(left_yi)
    else:
        result = process_exceed_wan(left_yi)
    if val_int >= 100000000:
        num_yi = val_int // 100000000
        if num_yi >= 100000000:
            result = process_exceed_yi(num_yi) + "亿" + result
        else:
            result = process_exceed_wan(num_yi) + "亿" + result
    return result


num2ch = "零壹贰叁肆伍陆柒捌玖"

bignum2ch = "拾佰仟万亿"

value_str = input()
val_float = float(value_str)
val_int = int(val_float)
str_after_dot = value_str.split(".")[1]

result_prefix = "人民币"
result_after_dot = ""
result_before_dot = ""
if str_after_dot != "00":
    if str_after_dot[0] != "0":
        result_after_dot += num2ch[int(str_after_dot[0])] + "角"
    if str_after_dot[1] != "0":
        result_after_dot += num2ch[int(str_after_dot[1])] + "分"
else:
    result_after_dot = "整"

if val_int == 0:
    result_int = result_prefix
else:
    result_int = result_prefix + process_exceed_yi(val_int) + "元"
print(result_int + result_after_dot)