1
class Solution {
2
  public int[] replaceElements(int[] arr) {
3
    int greatElement = -1;
4
    for (int i = arr.length - 1; i >= 0; i--) {
5
      int temp = arr[i];
6
      arr[i] = greatElement;
7
      greatElement = Math.max(temp, greatElement);
8
    }
9
    return arr;
10
  }
11
}