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C++ Interview Questions
Questions Answers Views Company eMail

explain sub-type and sub class? atleast u have differ it into 4 points?

Infosys,

2307

I want to write a C++ language program that: 1. Reads in the size of a square from the screen; 2. Prints a hollow square of that size out of “-“, “|” and blanks on screen; 3. Prints the same hollow square onto a text file. The program should work for squares of all side sizes between 1 and 20.

2797

Reads in the size of a square from the screen; 2. Prints a hollow square of that size out of “-“, “|” and blanks on screen; 3. Prints the same hollow square onto a text file. Your program should work for squares of all side sizes between 1 and 20. --- │ │ │ │ │ │ ---

2102

What is DeadlyDiamondDeathProblem ?

1 3929

Which is the best institute in hyderabad for C/C++ and it also has fast track course structure.

Wipro,

13 33031

Write a program to multiply 3x3 matrics

1 4061

Write a program to accept a number and to print numbers in pyramid format? for eg:for a no. 5 1 212 32123 4321234 543212345

7 27044

Write a C++ program that asks the user to choose a number between 1 and 1000. Then, your program should be able to guess the number by asking the user no more than 10 yes/no questions. Use a while loop in your program

1 7083

1.explicit call for destructor 2.calling function inside a constructor. 3.base *b-new derived delete b; 4.delete p what it will delete. 5.size of base class and derived class int i,in base class and int j in derived. 6.int i-20 int main() { int i =5; printf("%d".::i); { int i =10; printf("%d".::i); } } 7.object slicing 8.new 9.function overloading(return type). 10.class base() { virtuval fun() { ----- } } class derivied:public base() { fun() { ----- } } int main() { derived d; } 11.how static function will call in C++? 12.default structures are in C++? 13.constructors should be in public . 14.virtuval constructor not exist. 15.multilevel inhritence. destructor order.

Tech Mahindra,

1 4518

1.what are two type of classe members called? 2.what is data hiding and data encapsulation? 3.how do you make a class member visible aouside its class? 4.what is the default visibility of a class data member? 5.what are the advantages of oop over the structured programing?

6 11853

write a program which best describes polymorphism in real world?

CTS, Infosys, NexGen,

2 9585

Write a program to read the data and evaluate the results of the election. Print all output to the screen. Your output should specify: The total number of votes, the number of valid votes and the number of spoilt votes. The winner(s) of the election. Hint: An appropriate search should be used to determine the winner(s). The votes obtained by each candidate sorted in terms of the number of votes obtained. Hint: An appropriate sort should be used to sort the candidate(s). The Source code should be saved as VotingSystem. Project Input: Candidates’ Names and Numbers 2501 Victor Taylor 2502 Denise Duncan 2503 Kamal Ramdhan 2504 Michael Ali 2505 Anisa Sawh 2506 Carol Khan 2507 Gary Owen Votes 3 1 2 5 4 3 5 3 5 3 2 8 1 6 7 7 3 5 6 9 3 4 7 1 2 4 5 5 1 4 0 Project Output: Invalid vote: 8 Invalid vote: 9 Number of voters: 30 Number of valid votes: 28 Number of spoilt votes: 2 The winner(s): 2503 Kamal Ramdhan 2505 Anisa Sawh Candidate Score 2503 Kamal Ramdhan 6 2505 Anisa Sawh 6 2501 Victor Taylor 4 2504 Michael Ali 4 2502 Denise Duncan 3 2507 Gary Owen 3 2506 Carol Khan 2

3151

How do you print for example the integers 3,2,1,5,4 in a binary tree within the console in format where it looks like an actual binary tree?

2108

what Is DCS ? what i will get benefit when i did?

2353

program explaining feautures of c++

Satyam,

2433


Un-Answered Questions { C++ }

Assume an array of structure is in order by studentID field of the record, where student IDs go from 101 to 500. Write the most efficient pseudocode algorithm you can to find the record with a specific studentID if every single student ID from 101 to 500 is used and the array has 400 elements. Write the most efficient pseudocode algorithm you can to find a record with a studentID near the end of the IDs, say in the range from 450 to 500, if not every single student ID in the range of 101 to 500 is used and the array size is only 300

2221


Write A Program to find the ambiguities in Multiple Inheritance? How are they resolved.(Virtual Functions)

4143


How do I use turbo c++?

988


Why do we use string in c++?

937


What is the purpose of extern storage specifier?

1183


What are the 4 main oop principles?

1219


Explain the concept of memory leak?

1101


What is the difference between the functions rand(), random(), srand() and randomize()?

1283


There are two base class B1,B2 and there is one class D which is derived from both classes, Explain the flow of calling constructors and destructors when an object of derived class is instantiated.

1989


I was a c++ code and was asked to find out the bug in that. The bug was that he declared an object locally in a function and tried to return the pointer to that object. Since the object is local to the function, it no more exists after returning from the function. The pointer, therefore, is invalid outside.

1130


What would happen on forgetting [], while deallocating an array through new?

1087


What is the difference between #import and #include in c++?

1106


What is super in oop?

1171


What is polymorphism oop?

1055


Why should you learn c++?

1016