leetcode27

public class Solution {
    public int RemoveElement(int[] nums, int val) {
        var len = nums.Length;

            var count = 0;

            for (int i = 0; i < nums.Length; i++)
            {
                if (nums[i] != val)
                {
                    nums[count] = nums[i];
                    count++;
                }
            }
            return count;
    }
}

https://leetcode.com/problems/remove-element/#/description