Code Snippets Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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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 64375

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 35156

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

Fusion Systems GmbH,

6 33890

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

Microsoft,

10 39660

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 11365

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 43297

program to Reverse a linked list

Aricent, Microsoft, Ness Technologies,

12 73421

write a program to Insert in a sorted list

Microsoft,

4 15220

Program to Delete an element from a doubly linked list.

College School Exams Tests, Infosys,

4 46181

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

Adobe, Amazon, EFI, Imagination Technologies,

13 102698

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

Microsoft,

3 17902

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 39583

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 27011

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

2 33678

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 259543

Un-Answered Questions { Code Snippets }

Discuss an algorithm to traverse a tree, depth first.

1653

I have this code in leftmenu.ascx page..now on leftmenu.ascx.cs page i want to access id values. but i dont want to check manually like Accommodation,Arts etc.. In cs file my code is like string str[]; //this array contains some values say 10 strings for(i=0;i<100;i++) { if(str[i]==id id.visible=true } i.e.i want to travel for each element of str and each value of id.if they match then id.visible=true how to do?

4325

How can export database using php code?

1953

create Drop-Down Navigation Menus

2113

how to use the GetTickCount() properly and what is that procedure for?

3087

can everyone explain this code Private Sub DrawRect(rectSource As RECT, lngColour As Long) Line (rectSource.Left, rectSource.Top)-(rectSource.Left, rectSource.Bottom), lngColour Line (rectSource.Left, rectSource.Top)- (rectSource.Right, rectSource.Top), lngColour Line (rectSource.Right, rectSource.Bottom)- (rectSource.Right, rectSource.Top), lngColour Line (rectSource.Right, rectSource.Bottom)- (rectSource.Left, rectSource.Bottom), lngColour End Sub

2591

Write a routine to implement the polymarker function

4843

plz send code for Ecorps in j2ee frontend:J2EE Backend: DB2 Express

2827

How to add flash or *.gif file in edit panel in java?

2249

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?

2399

code to detect availability of cookies

2133

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

2479

How can restrict user to type upto 8 characters in textbox in php?

1915

code to sorting an array of objects

2433

i really need help about this.. write a program to display the set of odd and even numbers separately. find the highest and lowest value of the given numbers.

2659

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