title: Count Number Of Occurrences Or Frequency In A Sorted Array
signature: function countNumberOfOccurrencesOrFrequencyInASortedArray($arr, $n, $x) {
source_py: def count_number_of_occurrences_or_frequency_in_a_sorted_array(arr, n, x):
      res = 0
      for i in range(n):
          if (x == arr[i]):
              res += 1
      return res
source_cpp: int count_number_of_occurrences_or_frequency_in_a_sorted_array(vector<int> arr, int n, int x) {
    int res = 0;
    for ( int i = 0;
    i < n;
    i ++ ) if ( x == arr [ i ] ) res ++;
    return res;
  }