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 16260

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

Persistent,

2 5834

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

Persistent,

1 6057

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 13084

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

emc2,

2 8780

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

1 3484

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 12367

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 5852

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

3 8609

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 43034

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

HAL,

2 6004

Adobe Interview & Adobe Placement Paper

Adobe,

1 11260

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?

2362

What is volatile and pragma? When they are used?

1 3749

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

2 9018

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Un-Answered Questions { C++ General }

How to allocate memory dynamically for a reference?

1051

What is the c++ code?

1178

How did c++ start?

1095

Are iterators pointers?

1164

What is c++ best used for?

1068

Difference between overloading vs. Overriding

1095

What is the difference between a template and a macro?

1067

What are the defining traits of an object-oriented language?

1210

Explain method of creating object in C++ ?

1107

how to connect with oracle 9i with server in socket program in c/c++

2353

Can a program run without main in c++?

1214

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

1278

How to access a variable of the structure?

1097

What is const pointer and const reference?

1170

Why is c++ still popular?

1055

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