Code Snippets 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,

20 23687

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 15194

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

Fusion Systems GmbH,

6 10338

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


8 11124

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 4965

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 18989

program to Reverse a linked list

Microsoft, Aricent, Ness Technologies,

12 44770

write a program to Insert in a sorted list


4 8445

Program to Delete an element from a doubly linked list.

Infosys, College School Exams Tests,

4 23772

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

Amazon, Adobe, EFI, Imagination Technologies,

13 70973

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


3 11683

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 20253

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 7939

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

2 11950

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 163439

Un-Answered Questions { Code Snippets }

Code for Using Keyboard Events?


how to transform XML Data into HTML


Pls provide basic funtionality Winrunner scripts for Health care domain and Phishing


Given a table of the form: Product Sold on A 1/1/1980 B 1/1/1980 C 1/1/1980 A 1/1/1980 B 1/1/1980 C 2/1/1980 A 2/1/1980 There are 30 products and 10,000 records of such type. Also the month period during which sales happened is given to u. Write the program to display the result as: Product Month No. of copies A January 12 A February 15 A March 27 B January 54 B February 15 B March 10 C January 37


Hello I am hosting remoting within IIS. Everything works just fine as long as I allow anonymous access at the IIS level. When I allow only Windows Authenticated sessions, something very strange happens: If the client activates the remote object with IP address - works fine If the client activates it using a machine name - get http 401 exception is thrown. The exception is thrown when the client calls the remote method. I set the channel's useDefaultCredentials property to true. Any idea how to allow Windows Authentication? Here is the call stack: System.Net.WebException: The remote server returned an error: (401) Unauthorized .. ---> System.ComponentModel.Win32Exception: The target principal name is incorrect at System.Net.NTAuthentication.GetOutgoingBlob(Byte[] incomingBlob, Boolean handshakeComplete) at System.Net.NTAuthentication.GetOutgoingBlob(String incomingBlob, Boolean handshakeComplete) at System.Net.NegotiateClient.DoAuthenticate(String challenge, WebRequest webRequest, ICredentials credentials, Boolean preAuthenticate) at System.Net.NegotiateClient.DoAuthenticate(String challenge, WebRequest webRequest, ICredentials credentials, Boolean preAuthenticate) at System.Net.NegotiateClient.Authenticate(String challenge, WebRequest webRequest, ICredentials credentials) at System.Net.AuthenticationManager.Authenticate(String challenge, WebRequest request, ICredentials credentials) at System.Net.AuthenticationState.AttemptAuthenticate (HttpWebRequest httpWebRequest, ICredentials authInfo) --- End of inner exception stack trace ---


How to check if Folder is a Special Shell Folder ?


Write a function that takes an array of integers and efficiently calculates and returns the Least Common Multiply in python.


how to copy form data between different pages


i don't know about working of nested for loop can any one help me


1.What type of material can be sent from a Java servlet to a browser ? How does the browser know how to deal with the material? 2.Explain what happens to a servlet when a servlet engine is sent a GET request.


Code for Easily Using Hash Table?


write a program that reads a series of strings and prints only those strings begging with letter "b"


I have a doubt regarding including tags in a function. I have written a function in javascript in a html page. The function got called by clicking a button, i want to display the results in same html page by placing tags in the function. (this hmtl page is static page) Is this possible? example: