Cleanup2.java

gistfile1.txt

package org.mystic.amthauer;

import java.io.IOException;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import java.util.Scanner;

public class Cleanup2 {
//0 1 2 3 4 5
//1218 2010 2118 2103 2097 3
//1221 2116 2079 2122 2090 4
//1217 2108 2042 2098 2160 3
//1212 2085 2132 2057 2106 3
//1208 2086 2145 2029 2131 3

    public static void main(String[] args) throws IOException {
        final Random random = new Random();
        Scanner in = new Scanner(Paths.get("2.txt"));
        while (in.hasNextLine()) {
            String line = in.nextLine();
            if (!line.isEmpty()) {
                String[] tokens = line.split(" ");
                StringBuilder result = new StringBuilder();
                boolean firstTime = true;
                int currentPos = 0;
                int lastToken = Integer.parseInt(tokens[tokens.length - 1]);
                List<Integer> arr = new ArrayList<>();
                for (String token : tokens) {
                    arr.add(Integer.parseInt(token));
                }
                for (String token : tokens) {
                    int tokenValue = Integer.parseInt(token);
                    if (tokenValue >= 2081 && tokenValue <= 2160 && firstTime && currentPos != lastToken) {
                        int randomValue = generateRandom(random, arr);
                        result.append(randomValue).append(" ");
                        firstTime = false;
                    } else {
                        result.append(token).append(" ");
                    }
                    currentPos++;
                }
                System.out.println(result);
            }
        }

    }

    private static int generateRandom(Random random, List<Integer> arr) {
        boolean isSatisfied = false;
        int candidate = 0;
        while (!isSatisfied) {
            candidate = random.nextInt(80) + 2001;
            isSatisfied = check(arr, candidate);
        }
        return candidate;
    }

    private static boolean check(List<Integer> arr, int candidate) {
        return arr.stream().filter(x -> x >= candidate + 6 && x <= candidate - 6).toList().isEmpty();
    }
}