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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.

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

21 65226

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

Mentor Graphics, Microsoft,

2 35310

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

Fusion Systems GmbH,

6 34165

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

Microsoft,

10 40108

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.

Wipro,

2 11497

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)

Microsoft,

7 43621

program to Reverse a linked list

Aricent, Microsoft, Ness Technologies,

12 73973

write a program to Insert in a sorted list

Microsoft,

4 15422

Program to Delete an element from a doubly linked list.

College School Exams Tests, Infosys,

4 46408

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

Adobe, Amazon, EFI, Imagination Technologies,

13 103179

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

Microsoft,

3 18064

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).

Intel, Microsoft, TCS,

13 40107

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 27171

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

2 33868

How to swap two variables, without using third variable ?

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

104 262991


Un-Answered Questions { Programming Code }

How can you relate the function with the structure? Explain with an appropriate example.

3462


i have a gird with columns all are coming from database,this will bind in item templete in gridview as textboxex.and i have button below named Update.i want to update all the records in the grid,but if user change the value of one textbox,what is the easy way 2 do this

2578


1.Why does only one copy of a servlet object get created? What happens if you want to remove an old servlet object currently running but do not want to stop the entire servlet engine? 2.How does one servlet object deal with interactions from many browser? (e.g. if your servlet ran an email site, how can it keep track of hundreds of users logging in, reading their mail, etc.)

2750


How to get one hasmap value in another hashmap ,only value not key

1499


Code for Document Validation in XML.NET?

2385


What is GUID anyway?

593


Write a program that implements a date class containing day, month and year as data members. Implement assignment operator and copy constructor in this class.

884


Can we change the validator-rules.xml for our own validations in struts??

2865


Dear sirs, Hi, I would like to inform you that I want to perform a project using MLP neural network to recognize binary images containing three types of geometric shapes such as squares,rectangels and circles. Furthermore,each image includes only one geometric type. The output of network would be: '1' if the network detects square shape. '2' if the network detects rectangle shape. '3' if the network detects circle shape. '4' if none of these shapes detected. Would you please send me a matlab source code for this project? Your prompt reply would be so appreciated. regards,

2116


Set up procedure for generating a wire frame display of a polyhedron with the hidden edges of the object drawn with dashed lines

3548


Write a Program in 'C' To Insert a Unique Number Only. (Hint: Just Like a Primary Key Numbers In Database.) Please Some One Suggest Me a Better Solution for This question ??

2480


A suduco given & u hv 2 check if it is incomplete(blanks left),or correct or incorrect

2890


Is it possible to write JAVA program without including any of the packages,such as "import java.io.*"; bcoz I instantly wrote a code without "import..." statement and runned the program on command Line & it worked. the code is: class Person { String name; int age; Person(String s,int a) { name = s; age = a; } accept() { System.out.println(name+"Hi!!!!!"); System.out.println(age); } } class Demo { public static void main(Strings args[])throws IOException { String name = args[0]; int age = Integer.parseInt(args[1]); Person p = new Person(name,age); p.accept(); } }

2112


write a function that allocates memory for a single data type passed as a parameter.the function uses the new operator and return a pointer to the allocated memory.the function must catch and handle any exception during allocation

2893


What is the functionality of SetForegroundWindow?

590