Programming Code Interview Questions
Questions Answers Views Company eMail

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.

Google, Goldman Sachs, eBay, ABC, Microsoft, HUP, TATA,

21 35155

Write a routine to draw a circle (x ** 2 + y ** 2 = r ** 2) without making use of any floating point computations at all.

Microsoft, Mentor Graphics,

2 19112

Given only putchar (no sprintf, itoa, etc.) write a routine putlong that prints out an unsigned long in decimal.

Fusion Systems GmbH,

6 14552

Give a one-line C expression to test whether a number is a power of 2.


10 16972

Given an array of characters which form a sentence of words, give an efficient algorithm to reverse the order of the words (not characters) in it.


2 7631

Give a very good method to count the number of ones in a 32 bit number. (caution: looping through testing each bit is not a solution)


7 24380

program to Reverse a linked list

Microsoft, Aricent, Ness Technologies,

12 50484

write a program to Insert in a sorted list


4 11225

Program to Delete an element from a doubly linked list.

Infosys, College School Exams Tests,

4 29362

Write a function to find the depth of a binary tree.

Amazon, Adobe, EFI, Imagination Technologies,

13 78400

Write a routine that prints out a 2-D array in spiral order


3 14455

Write, efficient code for extracting unique elements from a sorted list of array. e.g. (1, 1, 3, 3, 3, 5, 5, 5, 9, 9, 9, 9) -> (1, 3, 5, 9).

TCS, Intel, Microsoft,

12 27332

Given a list of numbers ( fixed list) Now given any other list, how can you efficiently find out if there is any element in the second list that is an element of the first list (fixed list)

Disney, Google, ZS Associates,

3 10929

Print an integer using only putchar. Try doing it without using extra storage.

2 15289

How to swap two variables, without using third variable ?

Manhattan, TCS, BirlaSoft, ADP, IBM, Hewitt, Infosys, Cisco, Wipro, HP, Satyam, Microsoft, Honeywell, HCL, Yamaha, Cygnet Infotech, Mobius, Percept, SofTMware, AB,

104 187947

Un-Answered Questions { Programming Code }

Who could write how to find a prime number in dynamic array?


Write a C++ program without using any loop (if, for, while etc) to print prime numbers from 1 to 100 and 100 to 1 (Do not use 200 print statements!!!)


write a program that prompt the user to enter his height and weight,then calculate the body mass index and show the algorithm used




i am trying to intigrate ejb and hibernate ,from session facade i am callind dao implemented through hibernate,i am getting a ClassDefNotFoundException for this org/hibernate/Session i ve set the class path at build path and in setEnv in weblogic still .........


Write a Program to truncate a given floating point value (e.g.16.25=16).


What output does this program generate as shown? Why? class A { A() { cout << "A::A()" << endl; } ~A() { cout << "A::~A()" << endl; throw "A::exception"; } }; class B { B() { cout << "B::B()" << endl; throw "B::exception"; } ~B() { cout << "B::~B()"; } }; int main(int, char**) { try { cout << "Entering try...catch block" << endl; A objectA; B objectB; cout << "Exiting try...catch block" << endl; } catch (char* ex) { cout << ex << endl; } return 0; }


Write a code snippet to display an integer in a binary format?


find level of following tree (state, parent) " J,D I,D H,C E,B F,B G,C B,A D,A C,A A,& K,E L,E L,F M,F N,G O,H P,I P,H Q,I R,J S,K U,P T,L


Write a Program for matrix multiplication.


What is the functionality of GetDesktopWindow?


1.What happens to a session object when the browser associated with it is closed? 2. Explain what happens when a servlet is sent a POST request? 3. Why does only one copy of a servlet get created? 4. Explain what happens when a browser requests a servlet? (for the first time) 5.How is information stored in a session object?


create a .dll component operation and use created component in another project. required methods events and properties. connect, add,search,data report


3. Program to find the Sum of give series. a. (1)+(1+2)+(1+2+3)+(1+2+3+4)+……………………………….. b. 1/1+1/9+1/25+1/49+……………...


How can I Create a C program in splitting set of characters to specific subsets. Example: INPUT SET OF CHARACTERS: Therefore, my dear brothers and sisters, stand firm. Let nothing move you. Always give yourselves fully to the work of the Lord, because you know that your labor in the Lord is not in vain. SPLIT INTO HOW MANY CHARACTERS PER SUBSETS: 10 OUTPUT: Therefore, my dear b rothers an d sisters, stand fir m. Let not hing move you. Alway s give you rselves fu lly to the work of t he Lord, b ecause you know that your labo r in the L ord is not in vain.