Counting Frequencies of Array Elements

#include <bits/stdc++.h>
using namespace std;

void count_Frequency(int arr[], int n){
    vector<bool> visited(n, false);
    for (int i = 0; i < n; i++) {
        if (visited[i] == true) {
            continue;
        }
        int count = 1;
        for (int j = i + 1; j < n; j++) {
            if (arr[i] == arr[j]) {
                visited[j] = true;
                count++;
            }
        }
        cout << arr[i] << " " << count << endl;
    }
}

int main() {
    int n;
    cin >> n;
    int arr[n];
    for(int i=0; i<n; i++) {
        cin >> arr[i];
    }
    count_Frequency(arr, n);
    return 0;
}

#include <bits/stdc++.h>
using namespace std;

void count_Frequency(int arr[], int n){
    unordered_map<int, int> map;
    for (int i = 0; i < n; i++) {
        map[arr[i]]++;
    }
    for (auto x : map) {
        cout << x.first << " " << x.second << endl;
    }
}

int main() {
    int n;
    cin >> n;
    int arr[n];
    for(int i=0; i<n; i++) {
        cin >> arr[i];
    }
    count_Frequency(arr, n);
    return 0;
}