Доброго времени суток. Не хватает времени выполнения. Я так понимаю моя программа слишком много жрёт?
P. S. Закрывайте ресурсы:)
package com.javarush.task.task22.task2207;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
import java.io.*;
/*
Обращенные слова
*/
public class Solution {
public static List<Pair> result = new LinkedList<>();
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String fileName = reader.readLine();
reader.close();
FileReader file = new FileReader(fileName);
BufferedReader fileReader = new BufferedReader(file);
String line = reader.readLine();
StringBuilder b = new StringBuilder(line);
while (line != null) {
b.append(line);
line = fileReader.readLine();
}
file.close();
String allFileLines = b.toString();
String[] strs = allFileLines.split(" ");
for (int i = 0; i < strs.length; i++) {
for (int j = i + 1; j < strs.length; j++) {
StringBuilder b2 = new StringBuilder(strs[j]);
String strJ = b2.reverse().toString();
if (strs[i].equals(strJ)) {
result.add(new Pair(strs[i], strs[j]));
break;
}
}
}
for (int k = 0; k < strs.length; k++) {
for (int q = k + 1; q < strs.length; q++) {
if (result.get(k).equals(result.get(q)))
result.remove(q);
}
}
for (Pair pair: result) {
System.out.println(pair.first + " " + pair.second);
}
}
public static class Pair {
String first;
String second;
public Pair(String first, String second) {
this.first = first;
this.second = 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;
}
}
}