C C++ Reference
This note covers the following topics related to C++: Keywords, Operator precedence, Escape sequences, Fundamental types, Headers, Concepts, Utilities library, Strings library, Containers library, Algorithms library, Iterators library, Numerics library, Input/output library, Localizations library, Regular expressions library, Atomic operations library and Thread support library.
Author(s): cppreference.com
NA Pages 
C++ Reference Manual by cppreference.com
This PDF covers the following topics related to C++ : C++ Standard Template Library, C++ Vectors, C++ Double-ended Queues, C++ Lists, C++ Priority Queues, C++ Queues, C++ Stacks, C++ Sets, C++ Multisets, C++ Maps, C++ Multimaps, C++ Bitsets.
Author(s): cppreference.com
177 Pages
This PDF covers the following topics related to C++ : The way of the program, Variables and types, Function, Conditionals and recursion, Fruitful functions, Iteration, Strings and things, Structures, More structures, Vectors, Member functions, Vectors of Objects, Objects of Vectors, Classes and invariants, File Input/Output and apmatrixes.
Author(s): Allen B. Downey
191 Pages
This note covers the following topics: Writing a Basic C++ Program, Understanding Errors, Comments, Keywords, Identifiers, Variables, Control Structures, Functions in C++, Classes and Objects, Arrays, Inheritance, Pointers and Working with Files.
Author(s): Ritu Arora
124 Pages
Objective of this note is to provide rapid training in elements of C++ syntax, C++ procedural programming, C++ object oriented programming, numerous and actual C++ code for those with some basic prior programming experience.
Author(s): C. David Sherrill
185 Pages
