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#include <bits/stdc++.h>

vector<int> majorityElementII(vector<int> &arr)
{
    // Write your code here.
    map<int, int>mpp;
    vector<int>v;
    int n = arr.size();
    for(int i =0; i<n; i++){
        mpp[arr[i]]++;
    }

    for(auto it : mpp){
        if(it.second > n/3){
            v.push_back(it.first);
        }
    }
    return v;

}