traverse map c++

// CPP program to traverse a map using iterators 
#include <bits/stdc++.h> 
using namespace std; 
  
int main() 
{ 
    int arr[] = { 1, 1, 2, 1, 1, 3, 4, 3 }; 
    int n = sizeof(arr) / sizeof(arr[0]); 
  
    map<int, int> m; 
    for (int i = 0; i < n; i++) 
        m[arr[i]]++; 
  
    cout << " Element Frequency" << endl; 
    for (auto i = m.begin(); i != m.end(); i++) 
        cout << i->first << "      " << i->second 
             << endl; 
  
    return 0; 
}