leetcode-----26. 删除排序数组中的重复项

• 链接：https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array/

代码

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