comefrom: <gouthampradhan>array_AddToArrayFormOfInteger_1.java
code: public List<Integer> addToArrayForm(int[] A, int K) {
      StringBuilder sb = new StringBuilder();
      for (int a : A) {
        sb.append(a);
      }
      BigInteger big = new BigInteger(sb.toString());
      BigInteger result = big.add(BigInteger.valueOf(K));
      String resultStr = result.toString();
      List<Integer> list = new ArrayList<>();
      for (char a : resultStr.toCharArray()) {
        list.add(Integer.parseInt(String.valueOf(a)));
      }
      return list;
    }
masked: public List < Integer > var_0 ( int [ ] var_1 , int var_2 ) {
    StringBuilder var_3 = new StringBuilder ( ) ;
    for ( int var_4 : var_1 ) {
      var_3 . append ( var_4 ) ;
    }
    BigInteger var_5 = new BigInteger ( var_3 . toString ( ) ) ;
    BigInteger var_6 = var_5 . add ( BigInteger . valueOf ( var_2 ) ) ;
    String var_7 = var_6 . toString ( ) ;
    List < Integer > var_8 = new ArrayList < > ( ) ;
    for ( char var_4 : var_7 . toCharArray ( ) ) {
      var_8 . add ( Integer . parseInt ( String . valueOf ( var_4 ) ) ) ;
    }
    return var_8 ;
  }
  