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); } }
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); } }
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)); } }
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); } }