title: Program To Check If A Given Number Is Lucky All Digits Are Different
signature: function programToCheckIfAGivenNumberIsLuckyAllDigitsAreDifferent(n) {
test_code: 
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  function convertToString(value) {
      return JSON.stringify(value, function (key, val) {
          if (val instanceof Set) {
              return Array.from(val);
          } return val;});
  }
  
  function validateSolution(actual, expected){
      return convertToString(actual)===convertToString(expected);
  }
  
  function driver(n, expected){
      try{
          if (validateSolution(PLACEHOLDER_FN_NAME(n),expected)){
              return "PASSED";
          }
          return "FAILED";
      } catch (error) {
        return error.name;
      }
      
  }
      
  function main(){
    let result = '';
    result = driver(474, 0);
    console.log(`TEST-0...${result}`);
  
    result = driver(9445, 0);
    console.log(`TEST-1...${result}`);
  
    result = driver(90, 0);
    console.log(`TEST-2...${result}`);
  
    result = driver(30, 0);
    console.log(`TEST-3...${result}`);
  
    result = driver(37453, 0);
    console.log(`TEST-4...${result}`);
  
    result = driver(27, 0);
    console.log(`TEST-5...${result}`);
  
    result = driver(2400, 0);
    console.log(`TEST-6...${result}`);
  
    result = driver(98, 0);
    console.log(`TEST-7...${result}`);
  
    result = driver(46, 0);
    console.log(`TEST-8...${result}`);
  
    result = driver(722, 0);
    console.log(`TEST-9...${result}`);
  
    process.exit(0);
  };
  
  if (require.main === module) {
    main();
  }
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;
  }