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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 38667

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 19900

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

Fusion Systems GmbH,

6 15949

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

Microsoft,

10 18913

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 8496

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 25749

program to Reverse a linked list

Aricent, Microsoft, Ness Technologies,

12 52702

write a program to Insert in a sorted list

Microsoft,

4 12002

Program to Delete an element from a doubly linked list.

College School Exams Tests, Infosys,

4 30352

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

Adobe, Amazon, EFI, Imagination Technologies,

13 80655

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

Microsoft,

3 15173

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 29811

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 11806

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

2 16262

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 199399


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Un-Answered Questions { C Code }

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??

3714


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

1796


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 ??

1347


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

3391


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.

1871






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 ?

1827


Write a routine to implement the polymarker function

3938


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

2765


What is full form of PEPSI

1389


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

1987


Sir... please give some important coding questions asked by product companies..

1402


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

2374


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..

2377


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

2451


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

2592