C++ Quiz

140+ posts

Last Updated: 08 July 2024

Quizzes on C++ LanguageConstructors(17)References(6)Class and Object(6)Misc C++(7)Destructors(5)Operator Overloading(10)this pointer(5)Funct ...read more

C++ Quiz

Difference between int* p() and int (*p)()?

Last Updated: 11 December 2020

A pointer is a variable whose value is the address of another variable, i.e., direct address of the memory location. Like any variable or co ...read more

Examples of Big-O analysis

Last Updated: 02 November 2023

Prerequisite: Analysis of Algorithms | Big-O analysisIn the previous article, the analysis of the algorithm using Big O asymptotic notation ...read more

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How to access private/protected method outside a class in C++

Last Updated: 05 August 2021

Prerequisites: Access Modifiers in C++, Runtime PolymorphismPrivate: The class members declared as private can be accessed only by the funct ...read more

Search by value in a Map in C++

Last Updated: 24 January 2023

Given a set of N pairs as a (key, value) pairs in a map and an integer K, the task is to find all the keys mapped to the given value K. If t ...read more

Advanced Data Structure

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Why are negative numbers stored as 2's complement?

Last Updated: 03 October 2018

When doing addition/subtraction on binary numbers in other representations we need to apply different logics (circuits) to perform addition ...read more

Largest of two distinct numbers without using any conditional statements or operators

Last Updated: 13 August 2024

Given two positive and distinct numbers, the task is to find the greatest of two given numbers without using any conditional statements(if.. ...read more

C++ | Virtual Functions | Question 12

Last Updated: 28 June 2021

Predict the output of following C++ program. Assume that there is no alignment and a typical implementation of virtual functions is done by ...read more

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C++-Virtual Functions

Virtual Functions

C++ | Inheritance | Question 7

Last Updated: 28 June 2021

[sourcecode language="C"]#includeiostreamusing namespace std;class Base{public: void show() { cout In Base ; }};class Derive ...read more

C++ | Inheritance | Question 1

Last Updated: 28 June 2021

[sourcecode language="CPP"]#includeiostream using namespace std;class Base1 { public: Base1() { cout Base1's constructor called e ...read more

C++ | Static Keyword | Question 3

Last Updated: 29 July 2020

Which of the following is true?(A) Static methods cannot be overloaded.(B) Static data members can only be accessed by static methods.(C) No ...read more

C++ Quiz

C++-Static Keyword

Static Keyword

C++ | Function Overloading and Default Arguments | Question 2

Last Updated: 28 June 2021

Output?[sourcecode language="CPP"]#includeiostreamusing namespace std;int fun(int x = 0, int y = 0, int z){ return (x + y + z); }int main() ...read more

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C++ Quiz

C++-Function Overloading and Default Arguments

Function Overloading and Default Arguments

C++ | References | Question 4

Last Updated: 28 June 2021

Predict the output of following C++ program.[sourcecode language="C"]#includeiostreamusing namespace std;int fun(){ static int x = 10; ...read more

C++ | Operator Overloading | Question 2

Last Updated: 28 June 2021

Which of the following operators cannot be overloaded(A) . (Member Access or Dot operator)(B) ?: (Ternary or Conditional Operator )(C) :: (S ...read more

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C++-Operator Overloading

Operator Overloading

C++ | Constructors | Question 1

Last Updated: 04 January 2013

Which of the followings is/are automatically added to every class, if we do not write our own.(A) Copy Constructor(B) Assignment Operator(C) ...read more

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