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Code Snippets Interview Questions
Questions Answers Views Company eMail

Performance Algorithm A performs 10n2 basic operations and algorithm B performs 300 lg n basic operations. For what value of n does algorithm B start to show its better performance?

ASD Lab, Qatar University, UNV,

7839

Complexity T(n) What is the time complexity T(n) of the following portions of code? For simplicity, you may assume that n is a power of 2. That is, n = 2k for some positive integer k. a) ? for (i = 1; i <= n; i++) { j = n; cout << i << ? ? j << ? ? << endl; } b) ? for (i = 0; i <= n; i += 2) { j = n; cout << i << ? ? j << ? ? << endl; } c) ? for (i = n; i >= 1; i = i/2) { j = n; cout << i << ? ? j << ? ? << endl; } d) for (i = 1; i <= n; i++) { j = n; while (j >= 0) { cout << i << ? ? j << ? ? << endl; j = j - 2; } }

Qatar University,

3105

Complexity T(n) Write a linear-time algorithm that sorts n distinct integers, each of which is between 1 and 500. Hint: Use a 500-element array. (Linear-time means your algorithm runs in time c*n + b, where c and b are any constants that do not depend on n. For example, your algorithm can run in time n, or time 2n + 1, or time 5n + 10, or time 100n + 6, but not time c*n*n = c*n?.)

Qatar University,

1 7292

Subsets Write an algorithm that prints out all the subsets of 3 elements of a set of n elements. The elements of the set are stored in a list that is the input to the algorithm. (Since it is a set, you may assume all elements in the list are distinct.)

CSC, Qatar University,

1 14205

Min-Max Write an algorithm that finds both the smallest and largest numbers in a list of n numbers and calculate its complexity T(n).

Infosys, Qatar University,

1 7239

Min-Max Write an algorithm that finds both the smallest and largest numbers in a list of n numbers and with complexity T(n) is at most about (1.5)n comparisons.

ABC, College School Exams Tests, ITC Infotech, Kyambogo University, Qatar University,

10 46742

Teta-Omeg-Big-Oh Show that f(n) = n2 + 3n3 is ;(n3).

Qatar University,

3637

Faster Computers Suppose you have a computer that requires 1 minute to solve problem instances of size 1000. What instance sizes can be run in 1 minute if you buy a new computer that runs 1000 times faster than the old one, assuming the following time complexities T(n) for our algorithm? (a) T(n) = O(n). (b) T(n) = O(n3). (c) T(n) = O(10n).

Qatar University,

1 11662

Algorithm in O(2n) Presently we can solve in our hypothetical machine problem instances of size 100 in 1 minute using algorithm A, which is a O(2n). We would like to solve instances of size 200 in 1 minute using algorithm A on a new machine. What is the speed of the new machine should be?

ABC, Qatar University,

2 7034

Write a sql query to find n'th maximum in the database table.

Oracle,

3 11015

"c sharp" code for factorial using static variables

9 30491

how to use textfile for taking value for parametrization instead of datatable or global sheet

3 6351

How do you sort a Linked List (singly connected) in O(n) please mail to pawan.10k@gmail.com if u can find an anser...i m desperate to knw...

Microsoft, MSD, Oracle,

6 16148

write the function. if all the character in string B appear in string A, return true, otherwise return false.

Google,

11 19218

Write a Program in Visual Basic by means of which we can send any data from Visual basic program to any other application running on that machine whether that application supports OLE or not.....

1 3932


Un-Answered Questions { Code Snippets }

A program that will create a movie seat reservation. The program will display the summary seats and its status. The user will be ask what seat no. to be reserved, then it will go back again to the summary to display the updated seat status. If the seat no. is already reserved then it will prompt an error message. And also if the input seat no is out of range then it will also prompt an error message. The program is continuously running. Termination of the program will depends on how the programmer will apply. Sample output: Movie Seats Reservation Summary of Seats: Seat 1: Available Seat 2: Available Seat 3: Available Seat 4: Available Seat 5: Available Enter seat no. (Press 0 to terminate Or the assigned seat capacity) : 1 Movie Seats Reservation Summary of Seats: Seat 1: Reserve Seat 2: Available Seat 3: Available Seat 4: Available Seat 5: Available Enter seat no. (Press 0 to terminate Or the assigned seat capacity) : 6 The Seat no. is out of range! Movie Seats Reservation Summary of Seats: Seat 1: Reserve Seat 2: Available Seat 3: Available Seat 4: Available Seat 5: Available Enter seat no. (Press 0 to terminate Or the assigned seat capacity) : 1 The Seat no. is already reserved! Movie Seats Reservation Summary of Seats: Seat 1: Reserve Seat 2: Available Seat 3: Available Seat 4: Available Seat 5: Available Enter seat no. (Press 0 to terminate Or the assigned seat capacity) : 0 GoodBye... Thank You!!!

2346


What is a StAX Parser?

599


Performance Algorithm A performs 10n2 basic operations and algorithm B performs 300 lg n basic operations. For what value of n does algorithm B start to show its better performance?

7839


what is main difference between array_push and array_pop?

4218


What is XQuery?

612


i really need help about this.. write a program to display the set of odd and even numbers separately. find the highest and lowest value of the given numbers.

2727


Write a (n) algorithm that sorts n distinct integers, ranging in size between 1 and kn inclusive, where k is a constant positive integer. (Hint: Use a kn-element array.)

4997


determine which Element received an Event

2334


What is an XML Schema?

636


write a program to perform generic sort in arrays?

3080


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

3550


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

2559


Give me some tips in c#?

2530


What is the coding about how to recognize color in fuzzy logic using Matlab R2009b?

2049


write a program that prompt the user to enter his height and weight,then calculate the body mass index and show the algorithm used

4866