Handwritten notes · Part 2
C++ Handwritten Notes for Placements (Free PDF)
By Gaurav SharmaPublished
26 pages of handwritten-style C++ notes for placements and interviews: pointers, references, memory, OOP, virtual functions and vtables, templates, STL and smart pointers, explained in English with Hinglish.
- Pages
- 26
- Format
- A4 PDF
- Language
- English + Hinglish
- Price
- Free by email
What's inside
24 topics, one page each
- 01What C++ is and how code compiles: preprocessor, compiler, assembler, linker
- 02Data types, sizes, integer overflow and type casting
- 03Operators, bit tricks and control-flow traps
- 04Functions: pass by value, reference and pointer
- 05Pointers and pointer arithmetic
- 06Pointer vs reference, const with pointers
- 07Memory: stack vs heap, new/delete, leaks, dangling pointers
- 08Arrays and strings
- 09OOP: class, object, access specifiers, struct vs class
- 10Constructors, destructors and their call order
- 11Copy constructor, shallow vs deep copy, Rule of 3/5
- 12this, static, friend and const members
- 13Inheritance and the diamond problem
- 14Function and operator overloading
- 15Virtual functions, vtable and vptr
- 16Abstract classes and virtual destructors
- 17Templates
- 18STL and vector
- 19map, set, unordered_map, stack, queue, priority_queue
- 20STL algorithms, lambdas and custom comparators
- 21Smart pointers and move semantics
- 22Exceptions and keyword meanings
- 23Output-based questions
- 24Last-minute revision cheat sheet
C++ is still the language most campus placement tests and DSA rounds expect, and the theory round almost always asks about pointers, OOP and virtual functions. These notes cover exactly that, one concept per page, in the order you should learn it.
What makes these C++ notes different?
- Pointers explained with pictures. Hand-drawn diagrams for pointers, stack vs heap, shallow vs deep copy and the vtable.
- The OOP questions interviewers ask. Why a copy constructor takes a reference, why you need a virtual destructor, how the diamond problem is solved.
- STL you will actually use. A table of every common container with its time complexity, plus the traps, like
map[key]silently inserting a key. - Hinglish where it helps. Every hard concept gets a short Hinglish explanation next to the English definition.
How should you use these C++ notes?
Compile and run every snippet, and guess the output before you read the answer. The output-based questions near the end are the kind that appear in online assessments. The last page is a one-page cheat sheet for the night before the interview.
Applying for web roles as well? The JavaScript handwritten notes are Part 1 of the same series.
Ready to test yourself? Try the Top 50 C++ interview questions with answers, a free PDF with a short answer to say and a detailed explanation for every question.
FAQ
Questions about these notes
Are these C++ notes really free?
Yes. The full 26-page PDF is free; email me to request the complete PDF. Share it with friends preparing for placements.
Do these notes cover OOP in C++ for interviews?
Yes. Ten of the 26 pages are OOP: classes, constructors, copy constructors and deep copy, static and friend, inheritance and the diamond problem, operator overloading, virtual functions with the vtable and vptr, abstract classes and virtual destructors.
Are these notes enough for DSA in C++?
They cover the C++ and STL you need to write DSA solutions: vector, map, set, unordered_map, stack, queue, priority_queue, sort with custom comparators, lower_bound and lambdas. They do not teach DSA algorithms themselves.
Can I print these notes?
Yes. Every page is A4, so the PDF prints cleanly at home or at a print shop.
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