Вся суть плюсов в одном предложении. > Double-increment is undefined behavior (C++ standard currently claims that double increment is supported, contrary to the STL documentation; this is LWG #2035)

The non-interactive Unix command grep was inspired by a common special use of qed and later ed, where the command g/re/p means globally search for the regular expression re and print the lines containing it.

TIL http://c-faq.com/decl/spiral.anderson.html