title: Program To Check If A Given Number Is Lucky All Digits Are Different
signature: def programToCheckIfAGivenNumberIsLuckyAllDigitsAreDifferent(n: 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(n: Int, expected: Int): String = {
      try {
          if (validateSolution(PLACEHOLDER_FN_NAME(n),expected)) {
              "PASSED"
          } else{
              "FAILED"
          }
      }catch{
          case e: Exception => {e.getClass.getName}
      }
  
  }
  object QuestionEvaluator extends App {
  
      println(s"TEST-0...${driver(
        474, 
        0    
      )}")   
  
  
      println(s"TEST-1...${driver(
        9445, 
        0    
      )}")   
  
  
      println(s"TEST-2...${driver(
        90, 
        0    
      )}")   
  
  
      println(s"TEST-3...${driver(
        30, 
        0    
      )}")   
  
  
      println(s"TEST-4...${driver(
        37453, 
        0    
      )}")   
  
  
      println(s"TEST-5...${driver(
        27, 
        0    
      )}")   
  
  
      println(s"TEST-6...${driver(
        2400, 
        0    
      )}")   
  
  
      println(s"TEST-7...${driver(
        98, 
        0    
      )}")   
  
  
      println(s"TEST-8...${driver(
        46, 
        0    
      )}")   
  
  
      println(s"TEST-9...${driver(
        722, 
        0    
      )}")   
  
  }
  
source_py: def program_to_check_if_a_given_number_is_lucky_all_digits_are_different(n):
      ar = ([0] * 10)
      while (n > 0):
          digit = math.floor((n % 10))
          if ar[digit]:
              return 0
          ar[digit] = 1
          n = (n / 10)
      return 1
source_cpp: bool program_to_check_if_a_given_number_is_lucky_all_digits_are_different(int n) {
    bool arr [ 10 ];
    for ( int i = 0;
    i < 10;
    i ++ ) arr [ i ] = false;
    while ( n > 0 ) {
      int digit = n % 10;
      if ( arr [ digit ] ) return false;
      arr [ digit ] = true;
      n = n / 10;
    }
    return true;
  }