Learn C++
C with classes and speed, used in games and systems.
C++ adds classes, templates and a large standard library to C. It is used for games, browsers, trading systems and other software where speed matters.
The editor compiles your program with a real C++ compiler and shows the output and errors.
C++ is a common language in interviews and competitive programming. The same C foundations carry over, with more control over how data is organised.
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First program: Print “Hello, world!” with cout, then read two numbers with cin and print their sum.
There are no C++ lessons yet. The compiler is free and needs no account.
Practice
Practice problemsRead a problem, write an answer and run it against the samples.The practice problems accept JavaScript or Python. Work out the algorithm there, then write the same answer in C++ in the editor above.
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