C 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 35932

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 19327

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

Fusion Systems GmbH,

6 14868

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

Microsoft,

10 17423

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 7790

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 24751

program to Reverse a linked list

Aricent, Microsoft, Ness Technologies,

12 50912

write a program to Insert in a sorted list

Microsoft,

4 11402

Program to Delete an element from a doubly linked list.

College School Exams Tests, Infosys,

4 29652

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

Adobe, Amazon, EFI, Imagination Technologies,

13 78951

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

Microsoft,

3 14631

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,

12 27967

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 11149

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

2 15478

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 190720


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Un-Answered Questions { C Code }

write a simple calculator c program to perform addition, subtraction, mul and div.

2601


Write a program to model an exploding firecracker in the xy plane using a particle system

3058


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 ??

1171


Hi, i have a project that the teacher want a pyramid of numbers in C# or java...when we click a button...the pyramid should be generated in a listbox/or JtextArea...and the pyramid should have the folowing form: 1 232 34543 4567654 567898765 67890109876 7890123210987 890123454321098 90123456765432109 0123456789876543210 Plz help with codes...didn't find anything on the net.

2043


How to palindrom string in c language?

6541






Develop a routine to reflect an object about an arbitrarily selected plane

2263


how to programme using switch statements and fuctions, a programme that will output two even numbers, two odd numbers and two prime numbers of the users chioce.

1563


What is data _null_? ,Explain with code when u need to use it in data step programming ?

2197


Design an implement of the inputs functions for event mode

2309


create a C-code that will display the total fare of a passenger of a taxi if the driver press enter,the timer will stop. Every 10 counts is 2 pesos. Initial value is 25.00

4908


What is the match merge ? compare data step match merge with proc sql merge - how many types are there ? data step vs proc sql

1824


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

2183


Cluster head selection in Wireless Sensor Network using C programming language.

2427


write a function to give demostrate the functionality of 3d in 1d. function prototye: change(int value,int indexX,int indexY,int indexZ, int [] 1dArray); value=what is the date; indexX=x-asix indexY=y-axis indexZ=z-axis and 1dArray=in which and where the value is stored??

3536


How do you verify if the two sentences/phrases input is an anagram using predefined functions in string.h and by using arrays?

1385