[SoftUni Java] ExamPreparation 04.FiveSpecialLetters

import java.util.Scanner;


public class _04_FiveSpecialLetters {

    public static void main(String[] args) {
        @SuppressWarnings("resource")
        Scanner input = new Scanner(System.in);

        int startNum = Integer.parseInt(input.nextLine());
        int endNum = Integer.parseInt(input.nextLine());

        boolean resultFound = false;

        for (char first = 'a'; first <= 'e'; first++) {
            for (char second = 'a'; second <= 'e'; second++) {
                for (char third = 'a'; third <= 'e'; third++) {
                    for (char fourth = 'a'; fourth <= 'e'; fourth++) {
                        for (char fifth = 'a'; fifth <= 'e'; fifth++) {
                            String wholeWord = "" + first + second + third + fourth + fifth;
                            long weight = calcWeight(wholeWord);

                            if (weight >= startNum && weight <= endNum) {
                                resultFound = true;
                                System.out.print(wholeWord + " ");
                            }
                        }
                    }
                }
            }
        }

        if (!resultFound) {
            System.out.println("No");
        }
    }

    private static long calcWeight(String word) {
        long weight = 0;
        int index = 1;
        boolean[] visited = new boolean[(int)'e' + 1];

        for (int i = 0; i < word.length(); i++) {
            char currentLetter = word.charAt(i);

            if (!visited[currentLetter]) {
                weight += index * calcWeight(currentLetter);
                visited[currentLetter] = true;
                index++;
            }
        }
        return weight;
    }

    private static int calcWeight(char letter) {
        switch (letter) {
        case 'a':
            return 5;
        case 'b':
            return -12;
        case 'c':
            return 47;
        case 'd':
            return 7;
        case 'e':
            return -32;
        }

        return 0;
    }

}