Bjarne Stroustrup, a Danish computer scientist, began his work on C++'s predecessor "
C with Classes" in 1979.
[7] The motivation for creating a new language originated from Stroustrup's experience in programming for his Ph.D. thesis. Stroustrup found that
Simula had features that were very helpful for large software development, but the language was too slow for practical use, while
BCPL was fast but too low-level to be suitable for large software development. When Stroustrup started working in
AT&T Bell Labs, he had the problem of analyzing the
UNIX kernel with respect to
distributed computing. Remembering his Ph.D. experience, Stroustrup set out to enhance the
Clanguage with
Simula-like features.
[8] C was chosen because it was general-purpose, fast, portable and widely used. As well as C and Simula's influences, other languages also influenced C++, including
ALGOL 68,
Ada,
CLU and
ML.
In 1983, it was renamed from
C with Classes to C++ ("++" being the
increment operator in C). New features were added including
virtual functions, function name and
operator overloading, references, constants, type-safe free-store memory allocation (new/delete), improved type checking, and BCPL style single-line comments with two forward slashes (
//), as well as the development of a proper compiler for C++,
Cfront.
In 1985, the first edition of
The C++ Programming Language was released, which became the definitive reference for the language, as there was not yet an official standard.
[10]The first commercial implementation of C++ was released in October of the same year.
[7]
In 1989, C++ 2.0 was released, followed by the updated second edition of
The C++ Programming Language in 1991.
[11] New features in 2.0 included multiple inheritance, abstract classes, static member functions,
const member functions, and protected members. In 1990,
The Annotated C++ Reference Manual was published. This work became the basis for the future standard. Later feature additions included
templates,
exceptions,
namespaces, new
casts, and a
boolean type.
After the 2.0 update, C++ evolved relatively slowly until, in 2011, the
C++11 standard was released, adding numerous new features, enlarging the standard library further, and providing more facilities to C++ programmers. After a minor
C++14 update, released in December 2014, various new additions are
planned for 2017.
Alpay hər hansı a və b tam ədədlərinin özləri də daxil olmaqla onların arasında yerləşən bütün ədədləri növbə ilə kalkulyatorda yığmağa başladı. Hər bir ədədi yığdıqdan sonra Alpay əmələ gələn seqmentləri sayırdı və yenidən başlatma (Reset) düyməsini basırdı. Sonra isə o, bütün bu ədədləri yığan zaman kalkulyatorda əks olunan seqmentlərin ümumi sayını hesablayan proqram yazmaq qərarına gəldi. Bu işi görməkdə Alpaya kömək edin.