C++ General Interview Questions
Questions Answers Views Company eMail

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

Persistent,

11 13230

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

Persistent,

2 4916

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

Persistent,

1 5263

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 12180

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

emc2,

2 7609

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

1 2700

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 11095

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 5011

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

3 7448

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 39980

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

HAL,

2 4892

Adobe Interview & Adobe Placement Paper

Adobe,

1 10397

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?

1727

What is volatile and pragma? When they are used?

1 3007

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

2 7937


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Un-Answered Questions { C++ General }

What is the type of 'this' pointer?

555


Why c++ is called oop?

562


How much do coding jobs pay?

528


Do you need a main function in c++?

527


Explain data encapsulation?

577






How much do c++ programmers make?

531


What are the types of array in c++?

585


Comment on c++ standard exceptions?

595


What are virtual constructors/destructors?

547


What is c++ best used for?

537


What is the use of function pointer?

548


How do you add an element to a set in c++?

524


Why do we use vector in c++?

563


What is the prototype of printf function?

606


Are vectors faster than arrays?

539