C/C++ compilers are known to produce more efficient machine code than any other compilers

There are billions of lines of code already written in C++. Programmer can reuse the huge code.

Well defined ISO standard that is updated by a group of experts from time to time

Supported on most platforms, from microcontrollers (actually C language) to cell phones.

C++ used as a common language between programmers who work in different languages,.

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