#include <queue>
#include <vector>
class Solution {
public:
    // priority_queue<double> v;
    vector<double> v;
    void Insert(int num) {
        v.emplace_back((double)num);    
    }

    double GetMedian() { 
        sort(v.begin(),v.end());
        int len = v.size();
        double ans = 0.0;
        // 如果元素个数是奇数
        if(len%2)
        {
            ans = v[(len/2.0)];
        }
        else {
            ans = (v[len/2-1]+v[len/2])/2.0;
        }

        return ans;
    }

};