C++ Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

STL (140)
OOPS (873)
C++ General (2409)

C++ Interview Questions

Questions Answers Views Company eMail

Describe friend function & its advantages.

TCS,

1135

Explain Memory Allocation in C/C++ ?

Infosys,

1074

Briefly describe a B+ tree. What is bulk loading in it?

Wipro,

1344

How do we balance an AVL Tree in C++?

Impetus,

1130

Write a C++ Program to check whether a number is prime number or not?

IBS,

1133

what you know about c++?

IBS,

1160

Difference between Abstraction and encapsulation in C++?

Impetus,

1163

Implement stack operations with pointers with appropriate exception checks.

Huawei,

981

Write a function to find the nth item from the end of a linked list in a single pass.

Huawei,

983

Write a program to find the Fibonacci series recursively.

Huawei,

1074

Write a program to find the reverse Fibonacci series starting from N.

Huawei,

1276

What is command line arguments in C++? What are its uses? Where we have to use this?

HCL,

1278

Which one is a preferred language C or C++? Why?

1096

Write a code/algo to find the frequency of each element in an array?

Axtria,

1123

Write is a binary search tree? Write an algo and tell complexity?

Axtria,

1025

Un-Answered Questions { C++ }

List the advantages of inheritance.

1136

Do you know the problem with overriding functions?

1109

Which is the best c++ compiler?

1082

Difference between overloaded functions and overridden functions

1060

What are maps in c++?

967

Should the this pointer can be used in the constructor?

1028

What is RTTI and why do you need it?

1071

How a new element can be added or pushed in a stack?

1021

Write a corrected statement in c++ so that the statement will work properly. if (4 < x < 11) y=2*x;

2017

Which should be more useful: the protected and public virtuals?

1044

What does the nocreate and noreplace flag ensure when they are used for opening a file?

1119

What is a tree in c++?

974

What Is Polymorphism in C++ ?

1837

What is c++ prototype?

1216

Is empty stack c++?

998

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