Count of Smaller Numbers After Self

Question:
Input: nums = [5,2,6,1]
Output: [2,1,1,0]
Explanation:
To the right of 5 there are 2 smaller elements (2 and 1).
To the right of 2 there is only 1 smaller element (1).
To the right of 6 there is 1 smaller element (1).
To the right of 1 there is 0 smaller element.

Example 2:

Input: nums = [-1]
Output: [0]
Example 3:

Input: nums = [-1,-1]
Output: [0,0]



function countSmaller(nums) {
    const result = [];
    for (let i = 0; i < nums.length; i++) {
        let count = 0;
        for (let j = i + 1; j < nums.length; j++) {
            if (nums[j] < nums[i]) {
                count += 1;
            }
        }
        result.push(count);
    }
    return result;
}