leetCode #26 Remove Duplicates from Sorted Array

删除相同数字

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