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Main.java
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Main.java
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import java.util.*;
import java.io.*;
class Main {
public static String ScaleBalancing(String[] strArr) {
int[] scale = toArray(strArr[0]);
int left = scale[0];
int right = scale[1];
int[] weight = toArray(strArr[1]);
List<String> solution = new ArrayList<>();
for (int i = 0; i < weight.length; i++) {
if (Math.abs(left - right) == weight[i])
solution.add("" + weight[i]);
for (int j = i + 1; j < weight.length; j++)
if ((left + weight[i]) == (right + weight[j])
|| (left + weight[j]) == (right + weight[i])
|| Math.abs(left - right) == (weight[i] + weight[j]))
solution.add(weight[i] + "," + weight[j]);
}
if (!solution.isEmpty()) {
Collections.sort(solution, (s1, s2) -> Integer.valueOf(s1.length()).compareTo(s2.length()));
return solution.get(0);
}
return "No Possible Solution. Please try again.";
}
public static int[] toArray(String str) {
String[] strWeight = str.substring(1, str.length() - 1).split(",");
int[] weight = new int[strWeight.length];
for (int i = 0; i < strWeight.length; i++) weight[i] = Integer.parseInt(strWeight[i].trim());
return weight;
}
//Main Method
public static void main (String[] args) {
Scanner s = new Scanner(System.in);
System.out.print(ScaleBalancing(s.nextLine()));
}
}