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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.

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

21 65280

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 35315

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

Fusion Systems GmbH,

6 34183

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

Microsoft,

10 40132

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 11511

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 43636

program to Reverse a linked list

Aricent, Microsoft, Ness Technologies,

12 74022

write a program to Insert in a sorted list

Microsoft,

4 15442

Program to Delete an element from a doubly linked list.

College School Exams Tests, Infosys,

4 46423

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

Adobe, Amazon, EFI, Imagination Technologies,

13 103216

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

Microsoft,

3 18075

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 40151

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 27183

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

2 33882

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 263327


Un-Answered Questions { Code Snippets }

Write a function which accepts list of nouns as input parameter and return the same list in the plural form. Conditions: i) if last letter is r then append s ii) if word ends with y then replace it by ies iii) call this function in main() and produce the required output. for eg:- if chair is input it should give chairs as output.

4474


What is XML DOM?

696


What is CDATA?

633


code to images to rollover

2383


Code for Easily Using Hash Table?

3054


plzzzzzzzzz xplain this code import java.awt.*; import java.awt.event.*; //import java.awt.MenuItem.*; public class MenuForm extends Frame implements ActionListener { MenuBar mb=new MenuBar(); Menu m1=new Menu("Master"); Menu m2 =new Menu("Transactions"); Menu m3=new Menu("Queries"); Menu m4=new Menu("Reports"); Menu m5=new Menu("Daily/Weekly"); Menu m6=new Menu("Housekeeping"); Menu m7=new Menu("About"); Menu m8=new Menu("Utilities/Tools"); Menu m9=new Menu("exit"); MenuItem m11=new MenuItem("consumer master"); MenuItem m12=new MenuItem(""); MenuItem m13=new MenuItem(""); MenuItem m21=new MenuItem("New Connection"); MenuItem m22=new MenuItem("Refill Booking"); MenuItem m23=new MenuItem("Shop Delivery"); MenuItem m51=new MenuItem("Mrk Dlry"); MenuItem m91=new MenuItem("Quit"); /*MenuItem m131=new MenuItem(" "); MenuItem m132=new MenuItem(" "); MenuItem m134=new MenuItem(" ");*/ Font f=new Font("TimesRoman",Font.BOLD,16); Frame f1; public static void main(String args[]) { new MenuForm().setVisible(true); } public MenuForm() { super("Gas Agency Main Menu"); setSize(1280,800); setBackground(Color.lightGray); setLayout(null); setMenuBar(mb); /*m1.setFont(new Font("TimesRoman", Font.BOLD,16)); m2.setFont(new Font("TimesRoman", Font.BOLD,16)); m3.setFont(new Font("TimesRoman", Font.BOLD,16));*/ mb.add(m1); mb.add(m2); mb.add(m3); mb.add(m4); mb.add(m5); mb.add(m6); mb.add(m7); mb.add(m8); mb.add(m9); m1.add(m11); m1.add(m12); m1.add(m13); m2.add(m21); m2.add(m22); m2.add(m23); m5.add(m51); m9.add(m91); //m3.add(m31); /*m13.setEnabled(false); m13.add(m131); m13.add(m132); m13.add(m133); m13.add(m134); m13.add(m135);*/ setVisible(true); /*m11.addActionListener(this); m12.addActionListener(this); m13.addActionListener(this); m2.addActionListener(this); m3.addActionListener(this);*/ m21.addActionListener(this); m22.addActionListener(this); m23.addActionListener(this); /*m31.addActionListener(this); m131.addActionListener(this); m132.addActionListener(this); m133.addActionListener(this); m134.addActionListener(this); m135.addActionListener(this);*/ m51.addActionListener(this); m91.addActionListener(this); } public void actionPerformed(ActionEvent e) { /*if(e.getSource()==m11) { } if(e.getSource()==m12) { } if( (e.getSource()==m131) || (e.getSource() ==m132) || (e.getSource()==m133) || (e.getSource()==m134) || (e.getSource()==m135) ) { }*/ if(e.getSource()==m21) { NewConnection nc=new NewConnection (); nc.setVisible(true); this.dispose(); } if(e.getSource()==m22) { RefillBooking rb=new RefillBooking (); rb.setVisible(true); this.dispose(); } if(e.getSource()==m23) { ShopDelivery sd=new ShopDelivery(); sd.setVisible(true); this.dispose(); } if(e.getSource()==m51) { MarkDelivery mrk=new MarkDelivery(); mrk.setVisible (true); this.dispose(); } if(e.getSource()==m91) { this.dispose(); System.exit(0); } } }

2012


Given a spherical surface, write bump-mapping procedure to generate the bumpy surface of an orange

3380


How can I include conditional statements in XML?

642


How to Link Different Data Sources Together?

2317


Given a circular list of integers (when you reach the end of the list you come back to the beginning), what is the most efficient algorithm to find the smallest integer in the list? For example: circular_list = [22, 52, 66, 82, 5, 8, 12, 19].

1758


maximizing the main window

2082


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

4868


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

855


How can you print an address of a variable?

900


how to remove or delete multiple selected items from listbox in on button click in asp?

643