80. Remove Duplicates from Sorted Array II

// https://leetcode.com/problems/remove-duplicates-from-sorted-array-ii/description/

class Solution {
public:
    int removeDuplicates(vector<int>& nums) {
        int c = 0; 

        for (int i = 0;i < nums.size();i++) {
            if (c < 2 || nums[i] > nums[c-2])
                nums[c++] = nums[i];
        }
        return c;
    }
};