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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 64273

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 35137

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

Fusion Systems GmbH,

6 33848

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

Microsoft,

10 39584

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 11334

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 43252

program to Reverse a linked list

Aricent, Microsoft, Ness Technologies,

12 73337

write a program to Insert in a sorted list

Microsoft,

4 15190

Program to Delete an element from a doubly linked list.

College School Exams Tests, Infosys,

4 46142

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

Adobe, Amazon, EFI, Imagination Technologies,

13 102601

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

Microsoft,

3 17878

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 39504

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 26984

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

2 33637

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 259036


Post New C Code Questions

Un-Answered Questions { C Code }

why do you use macros? Explain a situation where you had to incorporate macros in your proc report? use a simple instream data example with code ?

2719


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

2894


could you please send the program code for multiplying sparse matrix in c????

3524


how to test pierrot divisor

2714


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.

2895


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

6918


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

4340


Design an implement of the inputs functions for event mode

3452


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

2491


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

3674


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

3675


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

3388


I need your help, i need a Turbo C code for this problem.. hope u'll help me guys.? Your program will have a 3x3 array. The user will input the sum of each row and each column. Then the user will input 3 values and store them anywhere, or any location or index, temporarily in the array. Your program will supply the remaining six (6) values and determine the exact location of each value in the array. Example: Input: Sum of row 1: 6 Sum of row 2: 15 Sum of row 3: 24 Sum of column 1: 12 Sum of column 2: 15 Sum of column 3: 18 Value 1: 3 Value 2: 5 Value 3: 6 Output: Sum of Row 1 2 3 6 4 5 6 15 7 8 9 24 Sum of Column 12 15 18 Note: Your program will not necessary sort the walues in the array Thanks..

3256


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

2861


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.

2616