Не пропускает меня валидатор , хотя ответы выводит программа верно.
Я не могу понять что не так.
package com.javarush.task.task22.task2207;
import java.io.*;
import java.util.*;
/*
Обращенные слова
*/
public class Solution {
public static List<Pair> result = new LinkedList<>();
public static void main(String[] args) throws IOException {
String fileName = null;
List<String> lines = new ArrayList<>();
try (BufferedReader reader = new BufferedReader(new InputStreamReader(System.in))){
fileName = reader.readLine();
}
try(BufferedReader fileReader = new BufferedReader(new InputStreamReader(new FileInputStream(fileName), "UTF-8"))){
while (fileReader.ready()){
String s = fileReader.readLine();
lines.add(s);
}
}
String text = "";
for(int i = 0; i < lines.size(); i++){
text = text + lines.get(i)+ " ";
}
text = text.replaceAll("\\p{Punct}", "");
text = text.replaceAll("\\n", "");
List<String> words = new ArrayList<>(Arrays.asList(text.split(" ")));
String s1 = words.get(0).substring(1);
words.set(0, s1);
List<String> wordsCopy = new ArrayList<>();
wordsCopy.addAll(words);
for(int x = 0; x < wordsCopy.size()-1; x++) {
String fir = wordsCopy.get(x);
StringBuilder sb = new StringBuilder(fir);
sb.reverse();
for (int i = x + 1; i < words.size(); i++) {
if (sb.toString().equals(words.get(i))) {
Pair p = new Pair();
p.first = fir;
p.second = words.get(i);
result.add(p);
words.remove(i);
wordsCopy.remove(x);
break;
}
}
}
/* for(Pair p : result) {
System.out.println(p.first+" "+ p.second);
}*/
}
/*
рот тор о о тот тот
C:\Users\windows\Desktop\TestJava2.txt
*/
public static class Pair {
String first;
String second;
public Pair(){
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Pair pair = (Pair) o;
if (first != null ? !first.equals(pair.first) : pair.first != null) return false;
return second != null ? second.equals(pair.second) : pair.second == null;
}
@Override
public int hashCode() {
int result = first != null ? first.hashCode() : 0;
result = 31 * result + (second != null ? second.hashCode() : 0);
return result;
}
@Override
public String toString() {
return first == null && second == null ? "" :
first == null ? second :
second == null ? first :
first.compareTo(second) < 0 ? first + " " + second : second + " " + first;
}
}
}