title: Count Pairs Two Sorted Arrays Whose Sum Equal Given Value X 2
signature: function count_pairs_two_sorted_arrays_whose_sum_equal_given_value_x_2(arr1, arr2, m, n, x)
source_py: def count_pairs_two_sorted_arrays_whose_sum_equal_given_value_x_2(arr1, arr2, m, n, x):
      (count, l, r) = (0, 0, (n - 1))
      while ((l < m) and (r >= 0)):
          if ((arr1[l] + arr2[r]) == x):
              l += 1
              r -= 1
              count += 1
          elif ((arr1[l] + arr2[r]) < x):
              l += 1
          else:
              r -= 1
      return count
source_cpp: int count_pairs_two_sorted_arrays_whose_sum_equal_given_value_x_2(vector<int> arr1, vector<int> arr2, int m, int n, int x) {
    int count = 0;
    int l = 0, r = n - 1;
    while ( l < m && r >= 0 ) {
      if ( ( arr1 [ l ] + arr2 [ r ] ) == x ) {
        l ++;
        r --;
        count ++;
      }
      else if ( ( arr1 [ l ] + arr2 [ r ] ) < x ) l ++;
      else r --;
    }
    return count;
  }
question_info.entry_fn_name: count_pairs_two_sorted_arrays_whose_sum_equal_given_value_x_2
question_info.entry_cls_name: Solution
question_info.test_case_ids: ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']
question_info.test_code: 
  
  -- SOLUTION CODE
  -- ============================================
  PLACEHOLDER_CODE_BODY
  
  -- TESTING CODE 
  -- ============================================
  function isCorrect(actual, expected)
      if type(expected) ~= type(actual) then
          return false
      end
      
      if type(expected) == 'table' then
          for k,v_expected in pairs(expected) do
              
              if actual[k] == nil then
                  return false
              end
              local v_actual = actual[k]
              if not isCorrect(v_actual, v_expected) then
                  return false
              end
              actual[k]=nil
          end
      
          if next(actual) then 
              return false
          end
          return true
      else
          return actual == expected
      end
  end
  
  function validateSolution(actual, expected)
      return isCorrect(actual,expected)
  end
  
  function driver(arr1, arr2, m, n, x, expected)
      local exec_result;
      local status, error_msg = pcall(function () 
          exec_result=PLACEHOLDER_FN_NAME(arr1, arr2, m, n, x) 
      end)
      if status then
          if validateSolution(exec_result,expected) then
              return "PASSED"
          end
          return "FAILED"
      else
          return string.format("ERROR=%s",string.gsub(error_msg,".*:[%d]+: ",""))
      end
  end
      
  function main()
      result = driver({5, 5, 7, 10, 14, 14, 17, 21, 32, 34, 37, 40, 40, 40, 46, 46, 50, 50, 51, 55, 57, 62, 65, 67, 67, 69, 70, 70, 72, 73, 76, 77, 77, 78, 84, 85, 85, 86, 87, 88, 88, 89, 89, 90, 93, 99}, {2, 5, 8, 8, 10, 12, 13, 15, 17, 18, 20, 20, 21, 27, 28, 31, 34, 37, 40, 46, 48, 52, 53, 54, 54, 58, 59, 60, 66, 68, 68, 69, 70, 71, 72, 73, 77, 77, 80, 84, 84, 92, 92, 95, 97, 97}, 28, 29, 23, 3)
      print(string.format("TEST-0...%s",result))
  
      result = driver({-84, 52, -34, 96, 16, 92, -64, -74}, {-22, 26, -12, -54, 66, 86, 38, 76}, 6, 5, 7, 0)
      print(string.format("TEST-1...%s",result))
  
      result = driver({0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 37, 26, 42, 0)
      print(string.format("TEST-2...%s",result))
  
      result = driver({60, 92, 42, 83, 55, 76, 29, 62}, {71, 2, 74, 42, 80, 71, 26, 76}, 4, 7, 7, 0)
      print(string.format("TEST-3...%s",result))
  
      result = driver({-94, -94, -58, -40, -40, -26, -24, -22, -22, -22, -2, 0, 4, 8, 12, 16, 16, 18, 22, 32, 42, 44, 50, 58, 64, 78, 80, 90}, {-86, -84, -78, -76, -72, -70, -62, -58, -54, -54, -50, -46, -44, -40, -30, -28, -16, -10, 10, 36, 36, 48, 70, 84, 84, 90, 94, 98}, 17, 27, 17, 0)
      print(string.format("TEST-4...%s",result))
  
      result = driver({0, 0, 1, 1, 1, 0, 0, 1, 1, 1}, {1, 1, 1, 0, 1, 1, 0, 0, 0, 0}, 5, 8, 9, 0)
      print(string.format("TEST-5...%s",result))
  
      result = driver({1, 5, 7, 7, 7, 14, 15, 16, 17, 18, 18, 19, 20, 25, 27, 31, 36, 42, 47, 51, 56, 56, 56, 58, 58, 59, 63, 63, 63, 65, 66, 67, 76, 83, 93, 94, 97}, {2, 3, 7, 8, 9, 10, 17, 18, 21, 28, 29, 29, 33, 35, 46, 47, 47, 49, 49, 49, 53, 56, 58, 59, 59, 60, 65, 67, 70, 78, 81, 85, 85, 87, 90, 92, 96}, 28, 34, 31, 1)
      print(string.format("TEST-6...%s",result))
  
      result = driver({78, -74, 52, 56, -8, 92, 14, 56, -72, -92, 32, -94, -26, -8, -66, 72, -24, 36, -84, -4, -68, 14, 78, 40, -82, -10, 16, 56, 6, -16, 30, 24, -32}, {-74, 22, -14, -2, 36, 86, -70, -20, -76, -84, -40, -36, 42, 22, -60, -94, -18, 8, -14, -42, -68, 62, -60, 2, 40, -66, 68, 96, 70, 98, -38, -74, -92}, 16, 30, 24, 1)
      print(string.format("TEST-7...%s",result))
  
      result = driver({0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 25, 33, 33, 0)
      print(string.format("TEST-8...%s",result))
  
      result = driver({17, 50, 65, 4, 19, 10, 45, 70, 76, 81, 28, 97, 55, 70, 38, 2, 40, 67, 36, 33, 6, 85, 25}, {78, 92, 65, 23, 7, 94, 18, 4, 2, 53, 31, 58, 98, 18, 46, 16, 17, 92, 80, 92, 43, 70, 50}, 16, 22, 22, 0)
      print(string.format("TEST-9...%s",result))
  
  end
  
  main()
question_info.test_list: [{"idx": 0, "outputs": 3, "inputs": {"arr1": [5, 5, 7, 10, 14, 14, 17, 21, 32, 34, 37, 40, 40, 40, 46, 46, 50, 50, 51, 55, 57, 62, 65, 67, 67, 69, 70, 70, 72, 73, 76, 77, 77, 78, 84, 85, 85, 86, 87, 88, 88, 89, 89, 90, 93, 99], "arr2": [2, 5, 8, 8, 10, 12, 13, 15, 17, 18, 20, 20, 21, 27, 28, 31, 34, 37, 40, 46, 48, 52, 53, 54, 54, 58, 59, 60, 66, 68, 68, 69, 70, 71, 72, 73, 77, 77, 80, 84, 84, 92, 92, 95, 97, 97], "m": 28, "n": 29, "x": 23}}, {"idx": 1, "outputs": 0, "inputs": {"arr1": [-84, 52, -34, 96, 16, 92, -64, -74], "arr2": [-22, 26, -12, -54, 66, 86, 38, 76], "m": 6, "n": 5, "x": 7}}, {"idx": 2, "outputs": 0, "inputs": {"arr1": [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1], "arr2": [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1], "m": 37, "n": 26, "x": 42}}, {"idx": 3, "outputs": 0, "inputs": {"arr1": [60, 92, 42, 83, 55, 76, 29, 62], "arr2": [71, 2, 74, 42, 80, 71, 26, 76], "m": 4, "n": 7, "x": 7}}, {"idx": 4, "outputs": 0, "inputs": {"arr1": [-94, -94, -58, -40, -40, -26, -24, -22, -22, -22, -2, 0, 4, 8, 12, 16, 16, 18, 22, 32, 42, 44, 50, 58, 64, 78, 80, 90], "arr2": [-86, -84, -78, -76, -72, -70, -62, -58, -54, -54, -50, -46, -44, -40, -30, -28, -16, -10, 10, 36, 36, 48, 70, 84, 84, 90, 94, 98], "m": 17, "n": 27, "x": 17}}, {"idx": 5, "outputs": 0, "inputs": {"arr1": [0, 0, 1, 1, 1, 0, 0, 1, 1, 1], "arr2": [1, 1, 1, 0, 1, 1, 0, 0, 0, 0], "m": 5, "n": 8, "x": 9}}, {"idx": 6, "outputs": 1, "inputs": {"arr1": [1, 5, 7, 7, 7, 14, 15, 16, 17, 18, 18, 19, 20, 25, 27, 31, 36, 42, 47, 51, 56, 56, 56, 58, 58, 59, 63, 63, 63, 65, 66, 67, 76, 83, 93, 94, 97], "arr2": [2, 3, 7, 8, 9, 10, 17, 18, 21, 28, 29, 29, 33, 35, 46, 47, 47, 49, 49, 49, 53, 56, 58, 59, 59, 60, 65, 67, 70, 78, 81, 85, 85, 87, 90, 92, 96], "m": 28, "n": 34, "x": 31}}, {"idx": 7, "outputs": 1, "inputs": {"arr1": [78, -74, 52, 56, -8, 92, 14, 56, -72, -92, 32, -94, -26, -8, -66, 72, -24, 36, -84, -4, -68, 14, 78, 40, -82, -10, 16, 56, 6, -16, 30, 24, -32], "arr2": [-74, 22, -14, -2, 36, 86, -70, -20, -76, -84, -40, -36, 42, 22, -60, -94, -18, 8, -14, -42, -68, 62, -60, 2, 40, -66, 68, 96, 70, 98, -38, -74, -92], "m": 16, "n": 30, "x": 24}}, {"idx": 8, "outputs": 0, "inputs": {"arr1": [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1], "arr2": [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1], "m": 25, "n": 33, "x": 33}}, {"idx": 9, "outputs": 0, "inputs": {"arr1": [17, 50, 65, 4, 19, 10, 45, 70, 76, 81, 28, 97, 55, 70, 38, 2, 40, 67, 36, 33, 6, 85, 25], "arr2": [78, 92, 65, 23, 7, 94, 18, 4, 2, 53, 31, 58, 98, 18, 46, 16, 17, 92, 80, 92, 43, 70, 50], "m": 16, "n": 22, "x": 22}}]