leetcode卡 LeetCode:力码

leetcode卡力码26.

class Solution { 

  public: 

    int removeDuplicates(vector& nums) { 

        int temp, k = 0; 

        unsigned int i; 

        if (nums.size() == 0) return 0; 

        if (nums.size() == 1) return 1; 

        for (i = 0; i < nums.size(); i++) { 

            if (nums[i] != nums[k]) 

                swap(nums[++k], nums[i]); 

        } 

        return k + 1; 

    } 

}; 

class Solution { 

  public: 

    void reverse(vector&; nn, int f, int h) { 

        for (; f <; h; ++f, --h) 

            swap(nn[f], nn[h]); 

    } 

    void rotate(vector&; nums, int k) { 

        k = k % nums.size(); 

        reverse(nums, 0, nums.size() - 1); 

        reverse(nums, 0, k - 1); 

        reverse(nums, k, nums.size() - 1); 

    } 

};