1
/*
2
 * @param {number[]} arr
3
 * @return {number[]}
4
 */
5
var replaceElements = function (arr) {
6
  let max = arr[arr.length - 1];
7

8
  for (let j = arr.length - 2; j >= 0; --j) {
9
    let curr = arr[j];
10
    arr[j] = max;
11
    max = Math.max(max, curr);
12
  }
13

14
  arr[arr.length - 1] = -1;
15
  return arr;
16
};