题解 | #密码强度等级#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        scanner.useDelimiter("\n");
        while (scanner.hasNext()) {
            String S = scanner.next();
            int A = 0;
            int a = 0;
            int number = 0;
            int symbol = 0;
            int sum = S.length()<=4?5:S.length()>=8?25:10;
            for (int i = 0; i < S.length(); i++) {
                 if (S.charAt(i) >= 'A' && S.charAt(i) <= 'Z' && (A&1)==0) {
                     A = 1;
                 } else if (S.charAt(i) >= 'a' && S.charAt(i) <= 'z' && (a&1)==0) {
                     a = 1;
                 } else if (S.charAt(i) >= '0' && S.charAt(i) <= '9' && number <= 2) {
                     number++;
                 } else if (symbol <= 2 && S.charAt(i) >= 0x21 && S.charAt(i) <= 0x2F || S.charAt(i) >= 0x3A && S.charAt(i) <= 0x40 || S.charAt(i) >= 0x5B && S.charAt(i) <= 0x60||S.charAt(i) >= 0x7B && S.charAt(i) <= 0x7E) {
                    symbol++;
                 }
            }
            //字母
            if (A>0&&a>0) {
                sum+=20;
            } else if (A>0||a>0) {
                sum+=10;
            }
            if (number>1) {
                sum+=20;
            } else if (number==1) {
                sum+=10;
            }
            if (symbol>1) {
                sum+=25;
            } else if (symbol==1){
                sum+=10;
            }

            if (A>0&&a>0&&symbol>0&&number>0){
                sum+=5;
            }else if (number>0&&symbol>0&&(A>0||a>0)){
                sum+=3;
            } else if ((A>0||a>0)&&number>0){
                sum+=2;
            }

            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 {
                System.out.println("VERY_WEAK");
            }

        }
    }
}