title: Count Number Of Occurrences Or Frequency In A Sorted Array
signature: int countNumberOfOccurrencesOrFrequencyInASortedArray(vector<int> arr, int n, int x) {
test_code: #include <algorithm>
  #include <assert.h>
  #include <cstdlib>
  #include <iostream>
  #include <map>
  #include <set>
  #include <string>
  #include <tuple> 
  #include <unordered_map>
  #include <vector>
  #include <math.h>
  #include <cmath>
  #include <bits/stdc++.h>
  #include <numeric>
  #include <functional>
  
  using namespace std;
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  bool validateSolution(int actual, int expected){
      return actual == expected;
  }
  
  string driver(vector<int> arr, int n, int x, int expected){
      try
      {
          if (validateSolution(PLACEHOLDER_FN_NAME(arr, n, x), expected)){
              return "PASSED";
          }
          return "FAILED";
      }
      catch (const std::overflow_error& exception_obj)
      {
          return typeid(exception_obj).name();
      }
      catch (const std::runtime_error& exception_obj)
      {
          return typeid(exception_obj).name();
      }
      catch (const std::exception& exception_obj)
      {
          return typeid(exception_obj).name();
      }
      catch (...)
      {
          return "UNK_ERROR";
      }
  }
  
  int main() {
      string result = "";
  
      result = driver({16, 18, 24, 27, 34, 36, 41, 43, 43, 52, 59, 76, 86, 87, 90, 91, 94, 96, 98, 98}, 14, 43, 2); 
      cout << "TEST-" << 0 << "..."
           <<  result
           << "\n";
  
      result = driver({64, 66, -36}, 1, 64, 1); 
      cout << "TEST-" << 1 << "..."
           <<  result
           << "\n";
  
      result = driver({0, 0, 0}, 2, 0, 2); 
      cout << "TEST-" << 2 << "..."
           <<  result
           << "\n";
  
      result = driver({9, 85, 34, 43, 70, 96, 44, 7, 27, 33, 34, 5, 91, 84, 76, 45, 20, 37, 15, 37, 20, 24, 13, 49, 74, 13, 50, 81, 81, 66, 23, 36, 91, 80, 61, 15, 96, 70, 90, 25, 16, 62, 75, 63, 6, 65, 38, 12}, 43, 5, 1); 
      cout << "TEST-" << 3 << "..."
           <<  result
           << "\n";
  
      result = driver({-98, -98, -98, -34, -32, -26, -12, 0, 18, 52, 68, 72}, 11, -98, 3); 
      cout << "TEST-" << 4 << "..."
           <<  result
           << "\n";
  
      result = driver({1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1}, 11, 1, 5); 
      cout << "TEST-" << 5 << "..."
           <<  result
           << "\n";
  
      result = driver({1, 3, 6, 6, 10, 12, 15, 16, 21, 22, 23, 29, 33, 37, 40, 40, 43, 52, 55, 59, 64, 65, 71, 72, 80, 83, 86, 86, 88, 88}, 29, 40, 2); 
      cout << "TEST-" << 6 << "..."
           <<  result
           << "\n";
  
      result = driver({-14, -30, -38, -38, -8, 40, -34, 2, -84, 68, -42, 38, -14, 0, -64, 12, -2, -38, -8, -44, -88, -34, -80, -36, 82, 70, 96, -32, 16, -52, -12, -46, -28, -86, 30, -14, 50, -44, 22, 30, -4, 78, 52}, 39, 26, 0); 
      cout << "TEST-" << 7 << "..."
           <<  result
           << "\n";
  
      result = driver({1, 1, 1, 1}, 2, 3, 0); 
      cout << "TEST-" << 8 << "..."
           <<  result
           << "\n";
  
      result = driver({11, 50, 1, 93, 12, 7, 55, 35, 36, 62, 61, 71, 16}, 11, 8, 0); 
      cout << "TEST-" << 9 << "..."
           <<  result
           << "\n";
  
      return 0;
  }
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;
  }