C++ Input/Output: Streams. The basic data type for I/O in C++ is the stream. . C++ incorporates a complex hierarchy. of stream types. The most basic stream types are the standard input/output streams: istream cin. built-in input stream variable; by default hooked to keyboard. ostream cout.
criteria range. criteria range. Conditions for selecting records; for example, Illinois customers with balances over $10,000 or residents who have lived in the state less than five years..
A reference range is usually defined as the set of values 95 percent of the normal population falls within (that is, 95% prediction interval).eference ranges are usually given as what are the usual (or normal) values found in the population, more specifically the prediction interval that 95% of the population fall into. This may also be called standard range.