public class ArrayAvg {
public static void main(String[] args) {
int[] array = {Integer.MAX_VALUE-1,23,4,Integer.MAX_VALUE-1,6};
System.out.println(Integer.MAX_VALUE);
System.out.println(Arrays.toString(array)+"的平均值："+avg(array)+"\n" +
"大于和小于平均值元素的個數分别為："+Arrays.toString(countAvg(array)));
}
public static int[] countAvg(int[] array) {
int gt = 0; //grater than
int lt = 0; //less than
int[] result = {0,0};
int average = avg(array);
for(int i = 0;i<array.length;i++) {
if(array[i]>average) {
gt++;
}else if(array[i]<average) {
lt++;
}
}
result[0] = gt;
result[1] = lt;
return result;
}
public static int avg(int[] array) {
double average = 0;
double sum = 0;
for(int i = 0 ;i<array.length;i++) {
sum += array[i];
}
average = sum/array.length;
return (int) average;
}
}