From cppreference.com <cpp |keyword C++ Usage booltype: as the declaration of the type See also Fundamental types:void,std::nullptr_t(since C++11). Integral types:int.Modifiers:signed,unsigned,short,long. Boolean type:bool.Boolean literals:false,true. Character types:char,char8_t(since C++20),char16_t,char32_t(since C++11),wchar_t. Floating-point...