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

C++ General Interview Questions

Questions Answers Views Company eMail

How much is size of struct having 1 char & 1 integer?

Persistent,

11 16246

They will ask u question about single linked list?. Write Code for to insert delete node.

Persistent,

2 5829

if there is binary tree which one is the easiest way to delete all child node?

Persistent,

1 6051

Write a C program to calculate the salary of each employee in your company. You need to input the hours worked and the hourly rate. The company pays 1.5 times the hourly rate for all hours worked in excess of 48 hours. Use the formulas below to calculate the salary: if employee worked less than 48 hours salary = hours * rate; if employee worked more than 48 hours salary = 48.0 * rate + ( hours − 48.0 ) * rate * 1.5; You are required to use a loop to produce the sample output as given below.

1 13082

When is a template better solution than a base class??

emc2,

2 8774

Explain calling an object's member function(declared virtual)from its constructor?

1 3475

You're given an array containing both positive and negative integers and required to find the sub-array with the largest sum (O(N) a la KBL). Write a routine in C for the above.

4 12356

Given an array of size N in which every number is between 1 and N, determine if there are any duplicates in it. You are allowed to destroy the array if you like. [ I ended up giving about 4 or 5 different solutions for this, each supposedly better than the others ].

1 5849

Give a very good method to count the number of ones in a "n" (e.g. 32) bit number.

3 8599

What is the output of the following 3D Array int arr[3][2][2]={1,2,3,4,5,6,7,8,9,10,11,12}; what is the output for arr[2][1][0]?

HCL, Integra, IPMC, ORG,

6 43026

What are the advantages of C++ programming compared to C programming?

HAL,

2 6001

Adobe Interview & Adobe Placement Paper

Adobe,

1 11255

what is the difference between linear list linked representaion and linked representation? what is the purpose of representing the linear list in linked represention ? is it not avoiding rules of linear represention?

2359

What is volatile and pragma? When they are used?

1 3748

In which memory a class gets stored(in heap /in stack)? And why??

2 9013

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Un-Answered Questions { C++ General }

What operators can you overload in c++?

1044

When do we run a shell in the unix system?

1084

What does asterisk mean in c++?

1119

What is a .lib file in c++?

998

How can you say that a template is better than a base class?

1073

What is a template in c++?

1857

What do c++ programmers do?

1059

What is the difference between function overloading and operator overloading?

1115

What are static member functions?

1121

What is the difference between equal to (==) and assignment operator (=)?

1077

What is dynamic and static typing?

1190

What does #define mean in c++?

1271

How do you invoke a base member function from a derived class in which you have not overridden that function?

1136

What is c++ namespace?

1213

What is the default access level?

1070

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