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) {

        String s = "";
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNext()) { // 注意 while 处理多个 case
            s = in.next();
        }

        int sum = sum(s);
        String m =match(sum);
        System.out.println(m);
    }


    private static int len(String s) {
        int len = s.length();
        if (len <= 4) {
            return 5;
        } else if (len >= 8) {
            return 25;
        }
        return 10;
    }


    private static int word(String s) {

        int len = s.length();
        boolean allMun = true;
        boolean hasLow = false;
        boolean hasCap = false;
        for (int i = 0; i < len; i++) {
            char c = s.charAt(i);
            if (c > '9' || c < '0') {
                allMun = false;
            }
            if (c >= 'a' && c <= 'z') {
                hasLow = true;
            }
            if (c >= 'A' && c <= 'Z') {
                hasCap = true;
            }
        }
        if (allMun) {
            return 0;
        } else if (hasCap && hasLow) {
            return 20;
        }
        return 10;
    }


    private static int num(String s) {
        int len = s.length();
        int numCount = 0;
        for (int i = 0; i < len; i++) {
            char c = s.charAt(i);
            if (c >= '0' && c <= '9') {
                numCount++;
                if (numCount > 1) {
                    break;
                }
            }
        }
        if (numCount == 0) {
            return 0;
        } else if (numCount > 1) {
            return 20;
        }
        return 10;
    }


    private static int sign(String s) {

        int len = s.length();
        int signCount = 0;

        for (int i = 0; i < len; i++) {
            char c = s.charAt(i);
            if (!(c >= '0' && c <= '9') && !(c >= 'A' && c <= 'Z') && !(c >= 'a' &&
                    c <= 'z')) {
                signCount++;
                if (signCount > 1) {
                    break;
                }
            }
        }
        if (signCount == 0) {
            return 0;
        } else if (signCount > 1) {
            return 25;
        }
        return 10;
    }


    private static int award(String s) {

        int len = s.length();
        int numCount = 0;
        int lowCount = 0;
        int caCount = 0;
        int signCount = 0;


        for (int i = 0; i < len; i++) {
            char c = s.charAt(i);
            if (c >= '0' && c <= '9') {
                numCount++;
            } else if (c >= 'A' && c <= 'Z') {
                caCount++;
            } else if (c >= 'a' && c <= 'z') {
                lowCount++;
            } else {
                signCount++;
            }
            if (numCount > 0 && lowCount > 0 && caCount > 0 && signCount > 0) {
                break;
            }
        }
        if (numCount > 0 && lowCount > 0 && caCount > 0 && signCount > 0) {
            return 5;
        } else if ((lowCount > 0 || caCount > 0) && numCount > 0 && signCount > 0) {
            return 3;
        } else if ((lowCount > 0 || caCount > 0) && numCount > 0) {
            return 2;
        }
        return 0;
    }

    private static int sum(String s){
        return len(s) + word(s) + num(s) + sign(s) + award(s);
    }


    private static String match(int score) {

        if (score >= 90) {
            return "VERY_SECURE";
        } else if (score >= 80) {
            return "SECURE";
        } else if (score >= 70) {
            return "VERY_STRONG";
        } else if (score >= 60) {
            return "STRONG";
        } else if (score >= 50) {
            return "AVERAGE";
        } else if (score >= 25) {
            return "WEAK";
        } else {
            return "VERY_WEAK";
        }
    }



}