title: Minimum Rotations Unlock Circular Lock
signature: minimumRotationsUnlockCircularLock(input, unlock_code) {
test_code: import 'dart:convert';
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  bool validateSolution(int actual, int expected){
      return actual.toString() == expected.toString();
  }
  
  String driver(input, unlock_code, int expected){
      try
      {
          if (validateSolution(PLACEHOLDER_FN_NAME(input, unlock_code), expected)){
              return "PASSED";
          }
          return "FAILED";
      }catch(exception_object){
          return exception_object.runtimeType.toString();
      }
  }
  
  int main() {
  
      print("TEST-0...${driver(
          71, 46, 
          8)
      }");
  
      print("TEST-1...${driver(
          90, 65, 
          8)
      }");
  
      print("TEST-2...${driver(
          28, 84, 
          8)
      }");
  
      print("TEST-3...${driver(
          41, 23, 
          4)
      }");
  
      print("TEST-4...${driver(
          32, 58, 
          6)
      }");
  
      print("TEST-5...${driver(
          39, 82, 
          8)
      }");
  
      print("TEST-6...${driver(
          33, 58, 
          7)
      }");
  
      print("TEST-7...${driver(
          89, 32, 
          8)
      }");
  
      print("TEST-8...${driver(
          50, 51, 
          1)
      }");
  
      print("TEST-9...${driver(
          92, 77, 
          7)
      }");
  
      return 0;
  }
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;
  }