#include <algorithm>
#include <vector>
class Solution {
public:
    /**
     * 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可
     *
     * 
     * @param nums1 int整型vector 
     * @param nums2 int整型vector 
     * @return int整型vector
     */
    vector<int> intersection(vector<int>& nums1, vector<int>& nums2) {
        // write code here
        set<int> s1(nums1.begin(), nums1.end());
        set<int> s2(nums2.begin(), nums2.end());
        set<int> s;
        set_intersection(s1.begin(), s1.end(), s2.begin(), s2.end(), insert_iterator<set<int>>(s, s.begin()));
        vector<int> v(s.begin(),s.end());
        return v;
    }
};