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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 64383

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 35158

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

Fusion Systems GmbH,

6 33893

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

Microsoft,

10 39668

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 11369

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 43302

program to Reverse a linked list

Aricent, Microsoft, Ness Technologies,

12 73427

write a program to Insert in a sorted list

Microsoft,

4 15225

Program to Delete an element from a doubly linked list.

College School Exams Tests, Infosys,

4 46186

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

Adobe, Amazon, EFI, Imagination Technologies,

13 102708

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

Microsoft,

3 17903

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 39593

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 27012

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

2 33683

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 259568


Un-Answered Questions { Programming Code }

Write code that allows to create only one instance of a class?

792


How to Bind Nested XML to a Repeater Control with Container.DataItem?

3595


Write a program to Print the Pascal triangle

793


Bubble Sort. java thereafter the user will be asked to inpout the size of the list,sort the list in ascending order and display the sorted list in a horizontal manner???

2870


To Write a C program to remove the repeated characters in the entered expression or in entered characters(i.e) removing duplicates. String contains only lowercase characters ['a'-'z']

952


Common UI for Multiple web applications. Suppose there are 35 websites using same third party controls.These 3rd party controls are made together that all 35 websites can use these controls.If we put all 3rd party controls and use its dll in 35 websites,only class files will be accessable. But I want to use CSS,images also in all 35 websites. how I can design the N-tier solution for this project.

2658


What output does the following code generate? Why? What output does it generate if you make A::Foo() a pure virtual function? class A { A() { this->Foo(); } virtual void Foo() { cout << "A::Foo()" << endl; } }; class B : public A { B() { this->Foo(); } virtual void Foo() { cout << "A::Foo()" << endl; } }; int main(int, char**) { A objectA; B objectB; return 0; }

1185


write a c program to input initial & final time in the format hh:mm and find the time intervel between them? Ex inputs are initial 06:30 final 00:05 and 23:22 final 22.30

2650


Write a Program to find whether the given number is a Armstrong number.

791


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,

2061


Using C# Write a program that performs the following. The user inputs a number and then enters a series of numbers from 1 to that number. Your program should determine which number (or numbers) is missing or duplicated in the series, if any. For example, if the user entered 5 as the initial number and then entered the following sequences, the results should be as shown. Input Sequence Output ---------------------- --------------- 1 2 3 4 5 Nothing bad However, if 7 were the high number, the user would see the results on the right for the following number entries: Input Sequence Output ---------------------- --------------- 1 3 2 4 5 Missing 6 Missing 7 And if 10 were the high number and the user entered the numbers shown on the left, note the list of missing and duplicate numbers: Input Sequence Output ---------------------- --------------- 1 2 4 7 4 4 5 10 8 2 6 Duplicate 2 ( 2 times) Missing 3 Duplicate 4 ( 3 times ) Missing 9 The program should check the high number that the user inputs to ensure that it does not exceed the size of any array you might be using for storage.

4200


We need to write the function to check the password entered is correct or not based on the following conditions.. a) It must have atleast one lower case character and one digit. b)It must not have any Upper case characters and any special characters c) length should be b/w 5-12. d) It should not have any same immediate patterns like abcanan1 : not acceptable coz of an an pattern abc11se: not acceptable, coz of pattern 11 123sd123 : acceptable, as not immediate pattern adfasdsdf : not acceptable, as no digits Aasdfasd12: not acceptable, as have uppercase character

4413


Code for Document Validation in XML.NET?

2332


write a function that reverse the elements of an array in place.The function must accept only one pointer value and return void.

4521


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

2527