title: Minimum Rotations Unlock Circular Lock
signature: function minimumRotationsUnlockCircularLock($input, $unlock_code) {
test_code: <?php
  
  
  // SOLUTION CODE 
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  function validateSolution($actual, $expected){
      return serialize($actual) == serialize($expected);
  }
  
  function driver($input, $unlock_code, $expected){
      try{
        if (validateSolution(PLACEHOLDER_FN_NAME($input, $unlock_code), $expected)){
          return "PASSED";
        }
        return "FAILED";
      }
      catch (Exception $exception_obj) {
        return get_class($exception_obj);
      }
  }
  
  function main(){
      printf("TEST-0...%s\n",driver(
        71, 46, 
        8));
      
      printf("TEST-1...%s\n",driver(
        90, 65, 
        8));
      
      printf("TEST-2...%s\n",driver(
        28, 84, 
        8));
      
      printf("TEST-3...%s\n",driver(
        41, 23, 
        4));
      
      printf("TEST-4...%s\n",driver(
        32, 58, 
        6));
      
      printf("TEST-5...%s\n",driver(
        39, 82, 
        8));
      
      printf("TEST-6...%s\n",driver(
        33, 58, 
        7));
      
      printf("TEST-7...%s\n",driver(
        89, 32, 
        8));
      
      printf("TEST-8...%s\n",driver(
        50, 51, 
        1));
      
      printf("TEST-9...%s\n",driver(
        92, 77, 
        7));
      
  }
  
  main();
  ?>
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;
  }