C Code Interview Questions

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.

35932

Write a routine to draw a circle (x ** 2 + y ** 2 = r ** 2) without making use of any floating point computations at all.

19327

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

14868

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

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.

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)

24751

program to Reverse a linked list

50912

write a program to Insert in a sorted list

11402

Program to Delete an element from a doubly linked list.

29652

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

78951

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

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).

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)

11149

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

15478

How to swap two variables, without using third variable ?

190720

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