java
package JavaExercise;
import java.util.Arrays;
public class Exercise {
public static void main(String[] args) {
int[] array = {1,2,3,7,8,9};
System.out.println(Solution.minimumAverage(array));
}
}
class Solution {
public static double minimumAverage(int[] nums){
int n = nums.length / 2;
Arrays.sort(nums);
double average = 0;
double min = Integer.MAX_VALUE;
int i;
int j;
for (i = 0, j = nums.length - 1; i < n; i++, j--) {
average = ((nums[i] + nums[j]) / 2.0);
min = Math.min(average, min);
}
return min;
}
}