C Code Interview Questions

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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.

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

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

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.

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)

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).

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)

How to swap two variables, without using third variable ?

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Un-Answered Questions { C Code }

why nlogn is the lower limit of any sort algorithm?

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

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.

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.

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 ?

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

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.

Design an implement of the inputs functions for event mode

how to test pierrot divisor

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.

What is full form of PEPSI

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

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

Who could write how to find a prime number in dynamic array?

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