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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 41352

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 20452

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

Fusion Systems GmbH,

6 17139

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

Microsoft,

10 20588

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 9145

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 26687

program to Reverse a linked list

Aricent, Microsoft, Ness Technologies,

12 54336

write a program to Insert in a sorted list

Microsoft,

4 12538

Program to Delete an element from a doubly linked list.

College School Exams Tests, Infosys,

4 30987

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

Adobe, Amazon, EFI, Imagination Technologies,

13 82747

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

Microsoft,

3 15671

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 31319

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 12331

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

2 17808

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 207282


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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.

3031


What is full form of PEPSI

1546


how to create a 3x3 two dimensional array that will give you the sums on the left and bottom columns

2834


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.

2403


In a gymnastic competition, scoring is based on the average of all scores given by the judges excluding the maximum and minimum scores. Let the user input the number of judges, after that, input the scores from the judges. Output the average score. Note: In case, more than two judges give the same score and it happens that score is the maximum or minimum then just eliminate two scores. For example, if the number of judges is 5 and all of them give 10 points each. Then the maximum and minimum score is 10. So the computation would be 10+10+10, this time. The output should be 10 because 30/3 is 10.

2013






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

2653


How to palindrom string in c language?

7615


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

3327


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

1941


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??

3856


Design an implement of the inputs functions for event mode

2672


#include int main(void) { int a=4, b=2; a=b<>2 ; printf("%d",a); return 0; }

771


why nlogn is the lower limit of any sort algorithm?

2091


write a program for area of circumference of shapes

1775


how to test pierrot divisor

1992