题解 | #密码强度等级#

import java.util.Locale;
import java.util.Scanner;

/**
 * @author zq
 */
public class Main{

    //统计密码安全等级
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String str = scanner.nextLine();
        int sum = len(str)+zimu(str)+digit(str)+m(str)+fuh(str);
        if (sum>=90){
            System.out.println("VERY_SECURE");
        }else if (sum>=80){
            System.out.println("SECURE");
        }else if (sum>=70){
            System.out.println("VERY_STRONG");
        }else if (sum>=60){
            System.out.println("STRONG");
        }else if (sum>=50){
            System.out.println("AVERAGE");
        }else if (sum>=25){
            System.out.println("WEAK");
        }else if (sum>=0){
            System.out.println("VERY_WEAK");
        }

    }
    //长度
    public static int len(String str){
        if (str.length()<=4){
            return 5;
        }else if (5<=str.length()&&str.length()<=7){
            return 10;
        }else {
            return 25;
        }
    }
    //字母
    public static int zimu(String str){
        String s = "";//小写
        String s2 = "";//大写
        for (int i = 0; i < str.length(); i++) {
            if ('a'<=str.charAt(i)&&str.charAt(i)<='z'){
                s+=str.charAt(i)+"";
            }else if ('A'<=str.charAt(i)&&str.charAt(i)<='Z'){
                s2+=str.charAt(i);
            }
        }
        if (s.length()>0&&s2.length()>0){
            return 20;
        }else if (s.length()==0&&s2.length()==0){
            return 0;
        }
        return 10;
    }
    //数字
    public static int digit(String str){
        String s = "";
        for (int i = 0; i < str.length(); i++) {
            if (Character.isDigit(str.charAt(i))){
                s+=str.charAt(i);
            }
        }
        if (s.length()==0){
            return 0;
        }else if (s.length()==1){
            return 10;
        }
        return 20;
    }
    //符号
    public static int fuh(String str){
        String s = "";
        for (int i = 0; i < str.length(); i++) {
            if (!Character.isDigit(str.charAt(i)) &&  !Character.isLetter(str.charAt(i))){
                s+=str.charAt(i)+"";
            }
        }
        if (s.length()==0){
            return 0;
        }else if (s.length()==1){
            return 10;
        }
        return 25;
    }
    //奖励
    public static int m(String str){
        int zimu = zimu(str);
        int shu = digit(str);
        int f = fuh(str);
        if (zimu==20&&shu>0&&f>0){
            return 5;
        }else if (zimu==10&&shu>0&&f>0){
            return 3;
        }else if (zimu>0&&shu>0){
            return 2;
        }
        return 0;
    }


}