C++ Quiz

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Increment odd positioned elements by 1 and decrement even positioned elements by 1 in an Array

Last Updated: 19 April 2024

Given an array arr[], the task is increment all the odd positioned elements by 1 and decrement all the even positioned elements by 1.Example ...read more

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Program to print 'N' alphabet using the number pattern from 1 to n

Last Updated: 11 July 2022

Given an integer N, the task is to print the Alphabet N Pattern as given below:1 12 2 23 3 3* * ** * ...read more

C++ | Inheritance | Question 11

Last Updated: 28 June 2021

[sourcecode language="C"]#includeiostreamusing namespace std;class Base{public : int x, y;public: Base(int i, int j){ x = i; y = j; }} ...read more

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C++ | Inheritance | Question 10

Last Updated: 28 June 2021

Output of following program?[tabby title="CPP"][sourcecode language="cpp"]#include #includeusing namespace std;class Base{public: virtual ...read more

C++ | Exception Handling | Question 3

Last Updated: 28 June 2021

What should be put in a try block?1. Statements that might cause exceptions2. Statements that should be skipped in case of an exception (A)O ...read more

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C++ | Virtual Functions | Question 2

Last Updated: 28 June 2021

Predict output of the following program[sourcecode language="C"]#includeiostreamusing namespace std;class Base{public: virtual void show( ...read more

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C++-Virtual Functions

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C++ | Inheritance | Question 4

Last Updated: 28 June 2021

[sourcecode language="C"]#includeiostream using namespace std;class P {public: void print() { cout Inside P; }}; class Q : public P {pub ...read more

C++ | new and delete | Question 4

Last Updated: 28 June 2021

What happens when delete is used for a NULL pointer?[sourcecode language="C"] int *ptr = NULL; delete ptr; [/sourcecode](A) Compiler Error(B ...read more

C++ | Inheritance | Question 2

Last Updated: 28 June 2021

Output?[sourcecode language="CPP"]#include iostream using namespace std;class Base1 { public: ~Base1() { cout Base1's destructor en ...read more

C++ | Constructors | Question 14

Last Updated: 28 June 2021

Which of the following is true about constructors.1) They cannot be virtual.2) They cannot be private.3) They are automatically called by ne ...read more

C++ | new and delete | Question 2

Last Updated: 28 June 2021

Which of the following is true about new when compared with malloc.1) new is an operator, malloc is a function2) new calls constructor, mall ...read more

C++ | const keyword | Question 1

Last Updated: 28 June 2021

Predict the output of following program[sourcecode language="CPP"]#include iostreamusing namespace std;int main(){ const char* p = 12345; ...read more

C++ | Operator Overloading | Question 3

Last Updated: 28 June 2021

Which of the following operators are overloaded by default by the compiler in every user defined classes even if user has not written?1) Com ...read more

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C++ | Constructors | Question 2

Last Updated: 28 June 2021

When a copy constructor may be called?(A) When an object of the class is returned by value.(B) When an object of the class is passed (to a f ...read more

C++ | References | Question 1

Last Updated: 28 June 2021

What is the return value of f(p, p) if the value of p is initialized to 5 before the call? Note that the first parameter is passed by refere ...read more

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