题解 | #HJ087 密码强度等级#

import java.util.Scanner;

/**
 * HJ87 密码强度等级 - 简单
 */
public class HJ087 {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()) {
            String input = sc.nextLine();
            int score = 0;
            if (input.length() <= 4) {
                score += 5;
            } else if (input.length() < 8) {
                score += 10;
            } else {
                score += 25;
            }
            if (input.matches(".*[A-Za-z]+.*")) {
                if (input.matches(".*[A-Z].*")
                        && input.matches(".*[a-z].*")) {
                    score += 20;
                } else {
                    score += 10;
                }
            }
            if (input.matches(".*[0-9]+.*")) {
                if (input.matches(".*[0-9].*[0-9].*")) {
                    score += 20;
                } else {
                    score += 10;
                }
            }
            if (input.matches(".*[^A-Za-z0-9]+.*")) {
                if (input.matches(".*[^A-Za-z0-9].*[^A-Za-z0-9].*")) {
                    score += 25;
                } else {
                    score += 10;
                }
            }
            if (input.matches(".*[0-9]+.*")) {
                if (input.matches(".*[A-Z].*")
                        && input.matches(".*[a-z].*")
                        && input.matches(".*[^A-Za-z0-9]+.*")) {
                    score += 5;
                } else if (input.matches(".*[A-Za-z]+.*")) {
                    if (input.matches(".*[^A-Za-z0-9]+.*")) {
                        score += 3;
                    } else {
                        score += 2;
                    }
                }
            }
            if (score >= 90) {
                System.out.println("VERY_SECURE");
            } else if (score >= 80) {
                System.out.println("SECURE");
            } else if (score >= 70) {
                System.out.println("VERY_STRONG");
            } else if (score >= 60) {
                System.out.println("STRONG");
            } else if (score >= 50) {
                System.out.println("AVERAGE");
            } else if (score >= 25) {
                System.out.println("WEAK");
            } else {
                System.out.println("VERY_WEAK");
            }
        }
        sc.close();
    }
}