题解 | #密码强度等级#

#include <iostream>
#include <string>
using namespace std;

class PasswordChecker {
private:
    // 检查字符类型
    bool isDigit(char c) { return c >= '0' && c <= '9'; }
    bool isUpper(char c) { return c >= 'A' && c <= 'Z'; }
    bool isLower(char c) { return c >= 'a' && c <= 'z'; }
    bool isSymbol(char c) {
        return (c >= 0x21 && c <= 0x2F) || 
               (c >= 0x3A && c <= 0x40) || 
               (c >= 0x5B && c <= 0x60) || 
               (c >= 0x7B && c <= 0x7E);
    }

public:
    string checkPassword(string password) {
        int score = 0;
        int len = password.length();
        int upperCount = 0, lowerCount = 0, digitCount = 0, symbolCount = 0;
        
        // 统计各类字符
        for(char c : password) {
            if(isUpper(c)) upperCount++;
            else if(isLower(c)) lowerCount++;
            else if(isDigit(c)) digitCount++;
            else if(isSymbol(c)) symbolCount++;
        }
        
        // 1. 长度得分
        if(len <= 4) score += 5;
        else if(len <= 7) score += 10;
        else score += 25;
        
        // 2. 字母得分
        if(upperCount > 0 && lowerCount > 0) score += 20;
        else if(upperCount > 0 || lowerCount > 0) score += 10;
        
        // 3. 数字得分
        if(digitCount > 1) score += 20;
        else if(digitCount == 1) score += 10;
        
        // 4. 符号得分
        if(symbolCount > 1) score += 25;
        else if(symbolCount == 1) score += 10;
        
        // 5. 奖励分
        if(upperCount > 0 && lowerCount > 0 && digitCount > 0 && symbolCount > 0)
            score += 5;
        else if((upperCount > 0 || lowerCount > 0) && digitCount > 0 && symbolCount > 0)
            score += 3;
        else if((upperCount > 0 || lowerCount > 0) && digitCount > 0)
            score += 2;
        
        // 返回安全等级
        if(score >= 90) return "VERY_SECURE";
        if(score >= 80) return "SECURE";
        if(score >= 70) return "VERY_STRONG";
        if(score >= 60) return "STRONG";
        if(score >= 50) return "AVERAGE";
        if(score >= 25) return "WEAK";
        return "VERY_WEAK";
    }
};

int main() {
    string password;
    while(getline(cin, password)) {
        PasswordChecker checker;
        cout << checker.checkPassword(password) << endl;
    }
    return 0;
}

import java.util.*;

public class Main {
    static class Solution {
        private boolean isDigit(char c) { return c >= '0' && c <= '9'; }
        private boolean isUpper(char c) { return c >= 'A' && c <= 'Z'; }
        private boolean isLower(char c) { return c >= 'a' && c <= 'z'; }
        private boolean isSymbol(char c) {
            return (c >= 0x21 && c <= 0x2F) || 
                   (c >= 0x3A && c <= 0x40) || 
                   (c >= 0x5B && c <= 0x60) || 
                   (c >= 0x7B && c <= 0x7E);
        }
        
        public String getPasswordLevel(String password) {
            int score = 0;
            int len = password.length();
            int upper = 0, lower = 0, digit = 0, symbol = 0;
            
            // 统计字符
            for(char c : password.toCharArray()) {
                if(isUpper(c)) upper++;
                else if(isLower(c)) lower++;
                else if(isDigit(c)) digit++;
                else if(isSymbol(c)) symbol++;
            }
            
            // 长度分数
            if(len <= 4) score += 5;
            else if(len <= 7) score += 10;
            else score += 25;
            
            // 字母分数
            if(upper > 0 && lower > 0) score += 20;
            else if(upper > 0 || lower > 0) score += 10;
            
            // 数字分数
            if(digit > 1) score += 20;
            else if(digit == 1) score += 10;
            
            // 符号分数
            if(symbol > 1) score += 25;
            else if(symbol == 1) score += 10;
            
            // 奖励分数
            if(upper > 0 && lower > 0 && digit > 0 && symbol > 0) score += 5;
            else if((upper > 0 || lower > 0) && digit > 0 && symbol > 0) score += 3;
            else if((upper > 0 || lower > 0) && digit > 0) score += 2;
            
            // 返回等级
            if(score >= 90) return "VERY_SECURE";
            if(score >= 80) return "SECURE";
            if(score >= 70) return "VERY_STRONG";
            if(score >= 60) return "STRONG";
            if(score >= 50) return "AVERAGE";
            if(score >= 25) return "WEAK";
            return "VERY_WEAK";
        }
    }
    
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while(sc.hasNextLine()) {
            String password = sc.nextLine();
            Solution sol = new Solution();
            System.out.println(sol.getPasswordLevel(password));
        }
    }
}

def is_digit(c: str) -> bool:
    return '0' <= c <= '9'

def is_upper(c: str) -> bool:
    return 'A' <= c <= 'Z'

def is_lower(c: str) -> bool:
    return 'a' <= c <= 'z'

def is_symbol(c: str) -> bool:
    return (0x21 <= ord(c) <= 0x2F) or \
           (0x3A <= ord(c) <= 0x40) or \
           (0x5B <= ord(c) <= 0x60) or \
           (0x7B <= ord(c) <= 0x7E)

def get_password_level(password: str) -> str:
    score = 0
    length = len(password)
    upper = lower = digit = symbol = 0
    
    # 统计字符
    for c in password:
        if is_upper(c): upper += 1
        elif is_lower(c): lower += 1
        elif is_digit(c): digit += 1
        elif is_symbol(c): symbol += 1
    
    # 长度分数
    if length <= 4: score += 5
    elif length <= 7: score += 10
    else: score += 25
    
    # 字母分数
    if upper > 0 and lower > 0: score += 20
    elif upper > 0 or lower > 0: score += 10
    
    # 数字分数
    if digit > 1: score += 20
    elif digit == 1: score += 10
    
    # 符号分数
    if symbol > 1: score += 25
    elif symbol == 1: score += 10
    
    # 奖励分数
    if upper > 0 and lower > 0 and digit > 0 and symbol > 0: score += 5
    elif (upper > 0 or lower > 0) and digit > 0 and symbol > 0: score += 3
    elif (upper > 0 or lower > 0) and digit > 0: score += 2
    
    # 返回等级
    if score >= 90: return "VERY_SECURE"
    if score >= 80: return "SECURE"
    if score >= 70: return "VERY_STRONG"
    if score >= 60: return "STRONG"
    if score >= 50: return "AVERAGE"
    if score >= 25: return "WEAK"
    return "VERY_WEAK"

# 处理输入
while True:
    try:
        password = input()
        print(get_password_level(password))
    except EOFError:
        break