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 24295

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 15351

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

Fusion Systems GmbH,

6 10535




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

Microsoft,

8 11352

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 5073

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 19225

program to Reverse a linked list

Microsoft, Aricent, Ness Technologies,

12 45026

write a program to Insert in a sorted list

Microsoft,

4 8566

Program to Delete an element from a doubly linked list.

Infosys, College School Exams Tests,

4 24050

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

Amazon, Adobe, EFI, Imagination Technologies,

13 71443

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

Microsoft,

3 11813

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 20697

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 8060

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

2 12121

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 165307







Un-Answered Questions { Code Snippets }

Code for Presenting Parent/Child Data in a Data Grid Row?

1155


Write a (n) algorithm that sorts n distinct integers, ranging in size between 1 and kn inclusive, where k is a constant positive integer. (Hint: Use a kn-element array.)

2766


What is full form of PEPSI

251


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].

441


Code to Block submission of form by pressing Enter Key

1252


3) Int Matrix of certain size was given, We had few valu= es in it like this. =97=97=97=97=97=97=97=97=97=97=97 1 = | 4 | | 5 | &= nbsp; | 45 =97=97=97=97=97=97=97=97=97=97=97 &n= bsp; | 3 | 3 | 5 | = | 4 =97=97=97=97=97=97=97=97=97=97=97 34 |&nbs= p; 3 | 3 | | 12 | &= nbsp; =97=97=97=97=97=97=97=97=97=97=97 3 | &nbs= p; | 3 | 4 | = | 3 =97=97=97=97=97=97=97=97=97=97=97 3 | = ; | | | = ; 3 | =97=97=97=97=97=97=97=97=97=97=97 &= nbsp; | | 4 | = ; | 4 | 3 We w= ere supposed to move back all the spaces in it at the end. Note: = If implemented this prog using recursion, would get higher preference.

2072


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

901


1.Explain what happens to a session object when the browser associated with it is closed? 2.Explain how a session object is created and used. (Note: you are not required to provide the Java statements such as ‘getAttribute’)

1146


What is the functionality of SendMessage?

384


Write a function to efficiently convert a floating point number to a rational number. For example, given 0.125 return "1/8"

408


For printing a message we use System.out.println in normal programs. We use String msg="text....."; Can't we use String msg=" " in normal programs and System.out.println("........") in applets. Please answer this question?

992


how to get the User's Time of Day

887


i want run following code on button click of view. i am trying to retrieve data from isc_order_details table and isc_product table. but after retriaval of data i m getting error like FIELD MUST BE ENTERED!! DECLARE m number; n number; CURSOR order_details IS SELECT PRODUCT_ORDER_QUAN,PRODUCT_ID FROM isc_order_details WHERE order_id=:isc_order_master.order_id; amount NUMBER (8,2):=0.0; alert number; BEGIN go_block('isc_order_details'); first_record; m:=:system.cursor_record; last_record; n:=:system.cursor_record; OPEN order_details; --for i in m..n loop FETCH order_details INTO :ISC_ORDER_DETAILS.PRODUCT_ORDER_QUAN,:ISC_ORDER_DETAIL S.PRODUCT_ID; IF order_details%FOUND THEN SELECT order_value,order_date INTO :ISC_ORDER_MASTER.ORDER_VALUE,:ISC_ORDER_MASTER.ORDER_D ATE FROM isc_order_master WHERE order_id=:ISC_ORDER_MASTER.ORDER_ID; SELECT product_desc,product_price INTO :ISC_ORDER_DETAILS.PRODUCT_DESC,:ISC_ORDER_DETAILS.PROD UCT_PRICE FROM isc_product WHERE product_id=:ISC_ORDER_DETAILS.PRODUCT_ID; next_record; END IF; EXIT WHEN order_details%NOTFOUND; END LOOP; last_record; CLOSE order_details; EXCEPTION when NO_DATA_FOUND then alert:=SHOW_ALERT('ENTER_DATA'); Go_Item('isc_order_master.order_id'); END;

1055


Given a string=”me,I,myself”; .Using javascript only create an array out of this string and then send a POST request to the url “record.php” without reloading the page. The post key parameters should be n1,n2 and n3 respectively.

1552


i am doing my final year project about programming use verilog ,i am new about it so got problem,i want to record the readings of a waveform every 2us use the verilog code ,every ten readings i need to add them together after that i need to compare this series of number to get which one is the biggest , right now i don't know how to use code to store the readings every 2us on a waveform ,pls help me thanks a lot .

973