lizncu

Java

class Solution {
  public int[] replaceElements(int[] arr) {
    int max = -1;
    for (int i = arr.length - 1; i >= 0; i--) {
      int temp = arr[i];
      arr[i] = max;
      if (temp > max) {
        max = temp;
      }
    }
    return arr;
  }
}