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--std=c++0x compiler option
We now have the --std=c++0x compiler option enabled on infoarena. We also updated our g++ compiler to version 4.8.
What does it mean?
C++ users can now use a bunch of cool features, some of which are described below briefly. Keep in mind that these features are not yet available at OJI, ONI, etc., so don't use them at any of these competitions unless they are allowed explicitly by the regulations.
auto
You can now let the compiler guess the type of some variable:
auto a = 45;
auto b = 4.5;
auto c = vector<int>(10);
auto can also be used with const auto or const auto& and it works the same way other types would work. In most cases, auto cannot be used in function signatures.