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.

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

21 31696

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 18319

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

Fusion Systems GmbH,

6 13384

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


10 15385

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.


2 7031

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)


7 23089

program to Reverse a linked list

Microsoft, Aricent, Ness Technologies,

12 48797

write a program to Insert in a sorted list


4 10454

Program to Delete an element from a doubly linked list.

Infosys, College School Exams Tests,

4 28457

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

Amazon, Adobe, EFI, Imagination Technologies,

13 76636

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


3 13789

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 25488

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 10244

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

2 14536

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 180124

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Un-Answered Questions { C Code }

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.


can you use proc sql to manpulate a data set or would u prefer to use proc report ? if so why ? make up an example and explain in detail


Design an implement of the inputs functions for event mode


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.


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


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


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


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


Can you send Code for Run Length Encoding Of BMP Image in C Language in linux(i.e Compression and Decompression) ?


how to test pierrot divisor


How can you relate the function with the structure? Explain with an appropriate example.


What is full form of PEPSI


What is the difference between proc means and proc tabulate ? explain with a simple example when you have to use means or tabulate?


Who could write how to find a prime number in dynamic array?


Set up procedure for generating a wire frame display of a polyhedron with the hidden edges of the object drawn with dashed lines