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

what are the characteristics of oops?

NIIT,

7 42273

what is main difference between object oriented object base

Wipro,

2 4974

Write a C++ program to sort digits of all the 4 digit number and display the sorted 4 digit number

TATA, TCS,

1 6018

. If employee B is the boss of A and C is the boss of B and D is the boss of C and E is the boss of D. Then write a program using the Database such that if an employee name is Asked to Display it also display his bosses with his name. For eg. If C is displayed it should also display D and E with C?

3324

Arrange Doubly linked list in the ascending order of its integral value and replace integer 5 with 7?

4180

There is a magic square matrix in such a way that sum of a column or a row are same like 3 5 2 4 3 3 3 2 5 sum of each column and row is 10. you have to check that matrix is magic matrix or not?

TCS,

1 6115

Implement a 2 dimensional array by one dimentional array

CTS,

1 4829

make a middle node of doubly linklist to the top of the list

1 4235

There are 100 students in a class. The management keep information in two tables. Those two tables are given like Roll no Name Age 001 ABC 15 002 XYZ 14 and Roll No Subject Marks 001 Math 75 001 Physics 55 002 Math 68 001 Hindi 69 They want the information like this Roll No Name Hindi Physics Math Total 001 ABC 69 55 75 199 002 XYZ 68 74 84 226 And Roll No Suject Highest 001 Math 98 007 Physics 84 021 Hindi 74 All 275 All information is kept in structure in main memory. You have to find last two tables.

3069

There is a array of 99 cells and we have to enter 1-100 elements in it , no two elements would repeat , so the is one no. missing because 99 cells and 1-100 nos. so we had to implement a function to find that missing no.

Nagarro,

2 11433

A mXn matrix is given and rows and column are sorted as shown below.Write a function that search a desired entered no in the matrix .with minimum complexity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

3718

class type to basic type conversion

2477

How to detect memory leaks in c++

Mphasis,

1 5465

What is ambiguity in c++

Accenture, Mphasis,

4 22246

why to use template classes in c++?

1 3696

Un-Answered Questions { C++ }

Carry out conversion of one object of user-defined type to another?

1098

Write a Program for read a line from file from location N1 to N2 using command line arguments. Eg:exe 10 20 a.c

1339

program explaining feautures of c++

2500

Write a single instruction that will store an EVEN random integer between 54 and 212 inclusive in the variable myran. (NOTE only generate EVEN random numbers)

2009

What is the difference between *p++ and (*p)++ ?

1418

What are c++ tokens?

1122

Write some differences between an external iterator and an internal iterator? Describe the advantage of an external iterator.

1121

Define basic type of variable used for a different condition in C++?

1200

What do the header files usually contains?

1125

Explain the difference between static and dynamic binding of functions?

1124

What type of loop is a for loop?

1141

What is the output of the following program? Why?

1206

What is the problem with multiple inheritance?

1243

Would you rather wait for quicksort, linear search, or bubble sort on a 200000 element array? (Or go to lunch...) a) Quicksort b) Linear Search c) Bubble Sort

1118

What is a template in c++?

1981

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