示例#1
0
 public static void main(String[] args) {
   Scanner in = new Scanner(System.in);
   while (in.hasNextBigInteger()) {
     BigInteger N = in.nextBigInteger();
     if (N.compareTo(BigInteger.ONE) > 0) {
       BigInteger two = new BigInteger("2");
       N = N.multiply(two).subtract(two);
     }
     System.out.println(N);
   }
 }
示例#2
0
 public static void main(String[] args) {
   Scanner in = new Scanner(System.in);
   while (in.hasNextBigInteger()) {
     BigInteger a = in.nextBigInteger();
     BigInteger b = in.nextBigInteger();
     BigInteger n = null;
     n = a.or(b);
     System.out.println(n);
   }
 }
示例#3
0
  public static void main(String[] args) {
    Scanner scanner = new Scanner(System.in);
    boolean blank = false;

    while (scanner.hasNextBigInteger()) {
      if (blank) {
        System.out.println();
      } else {
        blank = true;
      }
      BigInteger a = scanner.nextBigInteger();
      BigInteger b = scanner.nextBigInteger();
      System.out.println(a.gcd(b));
    }
  }
示例#4
0
  public static Object parseValue(Database database, Object val, DataType type) {
    if (!(val instanceof String)) {
      return val;
    }

    int typeId = Integer.MIN_VALUE;
    if (type.getDataTypeId() != null) {
      typeId = type.getDataTypeId();
    }
    String typeName = type.getTypeName();

    LiquibaseDataType liquibaseDataType = DataTypeFactory.getInstance().from(type, database);

    String stringVal = (String) val;
    if (stringVal.isEmpty()) {
      if (liquibaseDataType instanceof CharType) {
        return "";
      } else {
        return null;
      }
    }

    if (database instanceof OracleDatabase
        && !stringVal.startsWith("'")
        && !stringVal.endsWith("'")) {
      // oracle returns functions without quotes
      Object maybeDate = null;

      if (liquibaseDataType instanceof DateType || typeId == Types.DATE) {
        if (stringVal.endsWith("'HH24:MI:SS')")) {
          maybeDate =
              DataTypeFactory.getInstance()
                  .fromDescription("time", database)
                  .sqlToObject(stringVal, database);
        } else {
          maybeDate =
              DataTypeFactory.getInstance()
                  .fromDescription("date", database)
                  .sqlToObject(stringVal, database);
        }
      } else if (liquibaseDataType instanceof DateTimeType || typeId == Types.TIMESTAMP) {
        maybeDate =
            DataTypeFactory.getInstance()
                .fromDescription("datetime", database)
                .sqlToObject(stringVal, database);
      } else {
        return new DatabaseFunction(stringVal);
      }
      if (maybeDate != null) {
        if (maybeDate instanceof java.util.Date) {
          return maybeDate;
        } else {
          return new DatabaseFunction(stringVal);
        }
      }
    }

    if (stringVal.startsWith("'") && stringVal.endsWith("'")) {
      stringVal = stringVal.substring(1, stringVal.length() - 1);
    } else if (stringVal.startsWith("((") && stringVal.endsWith("))")) {
      stringVal = stringVal.substring(2, stringVal.length() - 2);
    } else if (stringVal.startsWith("('") && stringVal.endsWith("')")) {
      stringVal = stringVal.substring(2, stringVal.length() - 2);
    } else if (stringVal.startsWith("(") && stringVal.endsWith(")")) {
      return new DatabaseFunction(stringVal.substring(1, stringVal.length() - 1));
    }

    Scanner scanner = new Scanner(stringVal.trim());
    if (typeId == Types.ARRAY) {
      return new DatabaseFunction(stringVal);
    } else if ((liquibaseDataType instanceof BigIntType || typeId == Types.BIGINT)) {
      if (scanner.hasNextBigInteger()) {
        return scanner.nextBigInteger();
      } else {
        return new DatabaseFunction(stringVal);
      }
    } else if (typeId == Types.BINARY) {
      return new DatabaseFunction(stringVal.trim());
    } else if (typeId == Types.BIT) {
      if (stringVal.startsWith("b'")) { // mysql returns boolean values as b'0' and b'1'
        stringVal = stringVal.replaceFirst("b'", "").replaceFirst("'$", "");
      }
      stringVal = stringVal.trim();
      if (scanner.hasNextBoolean()) {
        return scanner.nextBoolean();
      } else {
        return new Integer(stringVal);
      }
    } else if (liquibaseDataType instanceof BlobType || typeId == Types.BLOB) {
      return new DatabaseFunction(stringVal);
    } else if ((liquibaseDataType instanceof BooleanType || typeId == Types.BOOLEAN)) {
      if (scanner.hasNextBoolean()) {
        return scanner.nextBoolean();
      } else {
        return new DatabaseFunction(stringVal);
      }
    } else if (liquibaseDataType instanceof CharType || typeId == Types.CHAR) {
      return stringVal;
    } else if (liquibaseDataType instanceof ClobType || typeId == Types.CLOB) {
      return stringVal;
    } else if (typeId == Types.DATALINK) {
      return new DatabaseFunction(stringVal);
    } else if (liquibaseDataType instanceof DateType || typeId == Types.DATE) {
      if (typeName.equalsIgnoreCase("year")) {
        return stringVal.trim();
      }
      return DataTypeFactory.getInstance()
          .fromDescription("date", database)
          .sqlToObject(stringVal, database);
    } else if ((liquibaseDataType instanceof DecimalType || typeId == Types.DECIMAL)) {
      if (scanner.hasNextBigDecimal()) {
        return scanner.nextBigDecimal();
      } else {
        return new DatabaseFunction(stringVal);
      }
    } else if (typeId == Types.DISTINCT) {
      return new DatabaseFunction(stringVal);
    } else if ((liquibaseDataType instanceof DoubleType || typeId == Types.DOUBLE)) {
      if (scanner.hasNextDouble()) {
        return scanner.nextDouble();
      } else {
        return new DatabaseFunction(stringVal);
      }
    } else if ((liquibaseDataType instanceof FloatType || typeId == Types.FLOAT)) {
      if (scanner.hasNextFloat()) {
        return scanner.nextFloat();
      } else {
        return new DatabaseFunction(stringVal);
      }
    } else if ((liquibaseDataType instanceof IntType || typeId == Types.INTEGER)) {
      if (scanner.hasNextInt()) {
        return scanner.nextInt();
      } else {
        return new DatabaseFunction(stringVal);
      }
    } else if (typeId == Types.JAVA_OBJECT) {
      return new DatabaseFunction(stringVal);
    } else if (typeId == Types.LONGNVARCHAR) {
      return stringVal;
    } else if (typeId == Types.LONGVARBINARY) {
      return new DatabaseFunction(stringVal);
    } else if (typeId == Types.LONGVARCHAR) {
      return stringVal;
    } else if (liquibaseDataType instanceof NCharType || typeId == Types.NCHAR) {
      return stringVal;
    } else if (typeId == Types.NCLOB) {
      return stringVal;
    } else if (typeId == Types.NULL) {
      return null;
    } else if ((liquibaseDataType instanceof NumberType || typeId == Types.NUMERIC)) {
      if (scanner.hasNextBigDecimal()) {
        return scanner.nextBigDecimal();
      } else {
        return new DatabaseFunction(stringVal);
      }
    } else if (liquibaseDataType instanceof NVarcharType || typeId == Types.NVARCHAR) {
      return stringVal;
    } else if (typeId == Types.OTHER) {
      if (database instanceof DB2Database && typeName.equalsIgnoreCase("DECFLOAT")) {
        return new BigDecimal(stringVal);
      }
      return new DatabaseFunction(stringVal);
    } else if (typeId == Types.REAL) {
      return new BigDecimal(stringVal.trim());
    } else if (typeId == Types.REF) {
      return new DatabaseFunction(stringVal);
    } else if (typeId == Types.ROWID) {
      return new DatabaseFunction(stringVal);
    } else if ((liquibaseDataType instanceof SmallIntType || typeId == Types.SMALLINT)) {
      if (scanner.hasNextInt()) {
        return scanner.nextInt();
      } else {
        return new DatabaseFunction(stringVal);
      }
    } else if (typeId == Types.SQLXML) {
      return new DatabaseFunction(stringVal);
    } else if (typeId == Types.STRUCT) {
      return new DatabaseFunction(stringVal);
    } else if (liquibaseDataType instanceof TimeType || typeId == Types.TIME) {
      return DataTypeFactory.getInstance()
          .fromDescription("time", database)
          .sqlToObject(stringVal, database);
    } else if (liquibaseDataType instanceof DateTimeType
        || liquibaseDataType instanceof TimestampType
        || typeId == Types.TIMESTAMP) {
      return DataTypeFactory.getInstance()
          .fromDescription("datetime", database)
          .sqlToObject(stringVal, database);
    } else if ((liquibaseDataType instanceof TinyIntType || typeId == Types.TINYINT)) {
      if (scanner.hasNextInt()) {
        return scanner.nextInt();
      } else {
        return new DatabaseFunction(stringVal);
      }
    } else if (typeId == Types.VARBINARY) {
      return new DatabaseFunction(stringVal);
    } else if (liquibaseDataType instanceof VarcharType || typeId == Types.VARCHAR) {
      return stringVal;
    } else if (database instanceof MySQLDatabase && typeName.toLowerCase().startsWith("enum")) {
      return stringVal;
    } else {
      LogFactory.getLogger()
          .info(
              "Unknown default value: value '"
                  + stringVal
                  + "' type "
                  + typeName
                  + " ("
                  + type
                  + "), assuming it is a function");
      return new DatabaseFunction(stringVal);
    }
  }