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 45547

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 21343

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

Fusion Systems GmbH,

6 19091

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

Microsoft,

10 23645

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 9920

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 28101

program to Reverse a linked list

Aricent, Microsoft, Ness Technologies,

12 56796

write a program to Insert in a sorted list

Microsoft,

4 13404

Program to Delete an element from a doubly linked list.

College School Exams Tests, Infosys,

4 32077

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

Adobe, Amazon, EFI, Imagination Technologies,

13 85864

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

Microsoft,

3 16459

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 34999

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 13202

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

2 19575

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 222295


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Un-Answered Questions { C Code }

How to palindrom string in c language?

8740


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

3661


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.

2120


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

2377


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

2878






write a program for area of circumference of shapes

2011


how to test pierrot divisor

2230


How can I Create a C program in splitting set of characters to specific subsets. Example: INPUT SET OF CHARACTERS: Therefore, my dear brothers and sisters, stand firm. Let nothing move you. Always give yourselves fully to the work of the Lord, because you know that your labor in the Lord is not in vain. SPLIT INTO HOW MANY CHARACTERS PER SUBSETS: 10 OUTPUT: Therefore, my dear b rothers an d sisters, stand fir m. Let not hing move you. Alway s give you rselves fu lly to the work of t he Lord, b ecause you know that your labo r in the L ord is not in vain.

1900


What is full form of PEPSI

1832


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

6279


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

3672


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

1045


Design an implement of the inputs functions for event mode

2936


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

2943


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

3118