title: Program To Find Remainder Without Using Modulo Or Operator
signature: function program_to_find_remainder_without_using_modulo_or_operator(num, divisor)
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(num, divisor, expected)
      local exec_result;
      local status, error_msg = pcall(function () 
          exec_result=PLACEHOLDER_FN_NAME(num, divisor) 
      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(80, 54, 26)
      print(string.format("TEST-0...%s",result))
  
      result = driver(63, 21, 0)
      print(string.format("TEST-1...%s",result))
  
      result = driver(1, 56, 1)
      print(string.format("TEST-2...%s",result))
  
      result = driver(22, 39, 22)
      print(string.format("TEST-3...%s",result))
  
      result = driver(66, 7, 3)
      print(string.format("TEST-4...%s",result))
  
      result = driver(61, 67, 61)
      print(string.format("TEST-5...%s",result))
  
      result = driver(45, 63, 45)
      print(string.format("TEST-6...%s",result))
  
      result = driver(29, 44, 29)
      print(string.format("TEST-7...%s",result))
  
      result = driver(95, 65, 30)
      print(string.format("TEST-8...%s",result))
  
      result = driver(9, 68, 9)
      print(string.format("TEST-9...%s",result))
  
  end
  
  main()
source_py: def program_to_find_remainder_without_using_modulo_or_operator(num, divisor):
      return (num - (divisor * (num // divisor)))
source_cpp: int program_to_find_remainder_without_using_modulo_or_operator(int num, int divisor) {
    return ( num - divisor * ( num / divisor ) );
  }