26. Remove Duplicates from Sorted Array (C#)

remove_duplicates_from_sorted_array.cs

public class Solution {
    public int RemoveDuplicates(int[] nums) {
        if (nums.Length == 0)
            return 0;
        
        var currentModifiableIndex = 1;
        var lastModifiedValue = nums[0];
        
        for (var i = 0; i < nums.Length; i++) {
            var currentValue = nums[i];
            
            if (lastModifiedValue < currentValue) {
                nums[currentModifiableIndex] = currentValue;
                lastModifiedValue = currentValue;
                currentModifiableIndex++;
            }
        }
        
        return currentModifiableIndex;
    }
}