《华为机试》刷题之HJ87 密码强度等级

一、题目

二、示例

三、代码

while True:
    try:
        str1 = input()
        result = 0
        # 密码长度
        if len(str1) <= 4:
            result += 5
        elif len(str1) >= 8:
            result += 25
        else:
            result += 10
        word_uper = 0
        word_lower = 0
        num = 0
        signal = 0
        # 遍历字符串
        for item in str1:
            if item.islower():
                word_lower += 1
            elif item.isupper():
                word_uper += 1
            elif item.isdigit():
                num += 1
            else:
                signal += 1
        # 判断字母情况
        if word_lower == 0 and word_uper == 0:
            result += 0
        elif word_lower > 0 and word_uper > 0:
            result += 20
        else:
            result += 10
        # 判断数字情况
        if num == 0:
            result += 0
        elif num == 1:
            result += 10
        else:
            result += 20
        # 判断符号情况
        if signal == 0:
            result += 0
        elif signal == 1:
            result += 10
        else:
            result += 25
        # 判断奖励情况
        if word_lower > 0 and word_uper > 0 and num > 0 and signal > 0:
            result += 5
        if (word_lower > 0 and num > 0 and signal > 0) or (word_uper > 0 and num > 0 and signal > 0):
            result += 3
        else:
            result += 2
        # 评分标准
        if result >= 90:
            print('VERY_SECURE')
        if 80 <= result < 90:
            print('SECURE')
        if 70 <= result < 80:
            print('VERY_STRONG')
        if 60 <= result < 70:
            print('STRONG')
        if 50 <= result < 60:
            print('AVERAGE')
        if 25 <= result < 50:
            print('WEAK')
        if 0 <= result < 25:
            print('VERY_WEAK')
    except:
        break
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四、算法说明

• 计算密码长度的得分；
• 建立四个计数值：word_uper，word_lower，num，signal，分别表示大写字母、小写字母、数字、符号四种字符的个数；
• 遍历字符串，将对应的字符个数，统计出来；
• 根据统计的计数值，判断奖励的情况；
• 根据最后的得分值，判断密码强度。

胡萝卜

编辑时间：2022年1月21日20:06:12