0026-remove-duplicates-from-sorted-array.cpp

class Solution {
public:
    int removeDuplicates(vector<int>& nums) {
        int slow = 1;
        for(int fast=1;fast<nums.size();fast++) {
            if(nums[fast] == nums[fast-1]) continue;
            nums[slow++] = nums[fast];
        }
        
        return slow;
    }
};