26. Remove Duplicates from Sorted Array

class Solution {
public:
    int removeDuplicates(vector<int>& nums) {
          
        int k=0;
        int n=nums.size();
        
        for(int i=0; i<n-1; i++)
        {
            if(nums[i]!=nums[i+1])
            {
                k++;
                nums[k]=nums[i+1];
            }
        }
        return k+1;
        
    }
};