title: Minimum Rotations Unlock Circular Lock
signature: def minimumRotationsUnlockCircularLock(input: Int, unlock_code: Int) = {
test_code: import scala.collection.mutable.HashMap
  import scala.collection.immutable.HashSet
  
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  
  // TESTING CODE 
  // ============================================
  def validateSolution(actual: Int , expected: Int): Boolean = {
      actual.toString == expected.toString
  }
  
  def driver(input: Int, unlock_code: Int, expected: Int): String = {
      try {
          if (validateSolution(PLACEHOLDER_FN_NAME(input, unlock_code),expected)) {
              "PASSED"
          } else{
              "FAILED"
          }
      }catch{
          case e: Exception => {e.getClass.getName}
      }
  
  }
  object QuestionEvaluator extends App {
  
      println(s"TEST-0...${driver(
        71, 46, 
        8    
      )}")   
  
  
      println(s"TEST-1...${driver(
        90, 65, 
        8    
      )}")   
  
  
      println(s"TEST-2...${driver(
        28, 84, 
        8    
      )}")   
  
  
      println(s"TEST-3...${driver(
        41, 23, 
        4    
      )}")   
  
  
      println(s"TEST-4...${driver(
        32, 58, 
        6    
      )}")   
  
  
      println(s"TEST-5...${driver(
        39, 82, 
        8    
      )}")   
  
  
      println(s"TEST-6...${driver(
        33, 58, 
        7    
      )}")   
  
  
      println(s"TEST-7...${driver(
        89, 32, 
        8    
      )}")   
  
  
      println(s"TEST-8...${driver(
        50, 51, 
        1    
      )}")   
  
  
      println(s"TEST-9...${driver(
        92, 77, 
        7    
      )}")   
  
  }
  
source_py: def minimum_rotations_unlock_circular_lock(input, unlock_code):
      rotation = 0
      while ((input > 0) or (unlock_code > 0)):
          input_digit = (input % 10)
          code_digit = (unlock_code % 10)
          rotation += min(abs((input_digit - code_digit)), (10 - abs((input_digit - code_digit))))
          input = int((input / 10))
          unlock_code = int((unlock_code / 10))
      return rotation
source_cpp: int minimum_rotations_unlock_circular_lock(int input, int unlock_code) {
    int rotation = 0;
    int input_digit, code_digit;
    while ( input || unlock_code ) {
      input_digit = input % 10;
      code_digit = unlock_code % 10;
      rotation += min ( abs ( input_digit - code_digit ), 10 - abs ( input_digit - code_digit ) );
      input /= 10;
      unlock_code /= 10;
    }
    return rotation;
  }