两个数组的交集1

class Solution {
public:
    vector<int> intersection(vector<int>& nums1, vector<int>& nums2) {
        //对num1去重
        unordered_set<int> s1;
        for(auto e:nums1)
        {
            s1.insert(e);
        }
        //对num2去重
        unordered_set<int> s2;
         for(auto e:nums2)
        {
            s2.insert(e);
        }
        vector<int> v;
        for(auto e:s1)
        {
            if(s2.find(e) == s2.end())
                continue;
            else
                v.push_back(e);
        }
        return v;
    }
};