import java.util.Arrays;
public class Solution
{
public static int findMissing(int[] numbers)
{
Arrays.sort(numbers);
int []temp = new int[numbers.length];
for(int i = 1 ; i < numbers.length ; i++){
temp[i - 1] = numbers[i] - numbers[i - 1];
}
int min = Integer.MAX_VALUE;
for(int t : temp){
if(t == 0){
continue;
}
min= Math.min(min, Math.abs(t));
}
if(min == Integer.MAX_VALUE){
return numbers[0];
}
for(int i = 1 ; i < numbers.length ; i++){
if (min != Math.abs(numbers[i] - numbers[i-1])){
System.out.println( Math.abs(numbers[i]));
return numbers[i] - min;
}
}
return 0;
}
}