Learn Go Programming - Day 3 - Minimum Moves to Equal Array Elements II

Given an integer array nums of size n, return the minimum number of moves required to make all array elements equal.

In one move, you can increment or decrement an element of the array by 1.

Example 1:

Input: nums = [1,2,3]
Output: 2
Explanation:
Only two moves are needed (remember each move increments or decrements one element):
[1,2,3] => [2,2,3] => [2,2,2]
Example 2:

Input: nums = [1,10,2,9]
Output: 16

There is no while keyword in go.

func minMoves2(nums []int) int {
    var l = 0
    var r = len(nums) - 1
    var sum = 0
    sort.Ints(nums)
    for l < r {
        sum += nums[r] - nums[l]
        l ++;
        r --;
    }
    return sum;
}

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