Find the Frequency.cpp

//{ Driver Code Starts
// Initial Template for C++
#include <bits/stdc++.h>
using namespace std;

// } Driver Code Ends
// User function Template for C++

/*Function to find frequency of x
 * x : element whose frequency is to be found
 * v : input vector
 */
int findFrequency(vector<int> v, int x)
{
    int counter = 0;
    for (int i = 0; i < v.size(); i++)
    {
        if (v[i] == x)
        {
            counter++;
        }
    }
    return counter;
}

//{ Driver Code Starts.
int main()
{

    int testcase;

    cin >> testcase;

    while (testcase--)
    {
        int N;
        cin >> N;

        // Declaring vector
        vector<int> v;

        // Taking vector element input
        for (int i = 0; i < N; i++)
        {
            int k;
            cin >> k;
            v.push_back(k);
        }

        // element whose frequency to be find
        int x;
        cin >> x;
        cout << findFrequency(v, x) << endl;
    }

    return 0;
}
// } Driver Code Ends