[leetcode]Remove Duplicates from Sorted Array删除数组中重复的元素

 int removeDuplicates(vector<int>& nums) {
       if (nums.size() == 0){
		return 0;
	}
	int i = 0, j = i + 1;
	int temp = 0;

	while (j < nums.size())
	{
		if (nums[i] == nums[j])
		{
			j++;
		}
		else
		{
			temp = nums[j];
			nums[j] = nums[i + 1];
			nums[i + 1] = temp;
			i++;
			j++;
		}
	}

	return i + 1;
    }