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Programming Code Interview Questions
Questions Answers Views Company eMail

Show by induction that 2n > n2, for all n > 4.

Karvy, Qatar University,

2 7592

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 7293

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 7240

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 46751

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 11663

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 7037

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

Oracle,

3 11018

"c sharp" code for factorial using static variables

9 30495

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 16153

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

Google,

11 19226

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 3937


Un-Answered Questions { Programming Code }

Hi, I want the code to fetch multiple rows in REXX using RLX and CURSOR. Can anyone help me?

2409


What is Generic" J2ME architecture?

2239


what is runtime class?

2675


Can we change the validator-rules.xml for our own validations in struts??

2865


Write a C++ program without using any loop (if, for, while etc) to print prime numbers from 1 to 100 and 100 to 1 (Do not use 200 print statements!!!)

3762


Could u please tell me any UNIX scripts that 'll lead to find the network latency of the servers.?or else any unix command to find the network latency of a server?Thnx in advance...

2163


Write a Program to find whether the given number is a Armstrong number.

837


What is the code of Password Recovery or Forget your password? Plz tell in c # language.

3995


find level of following tree (state, parent) " J,D I,D H,C E,B F,B G,C B,A D,A C,A A,& K,E L,E L,F M,F N,G O,H P,I P,H Q,I R,J S,K U,P T,L

2469


how to track links visited in google using iframes

2729


how exactly is the lngColour used?

2165


Write a program that will convert an integer pointer to an integer and vice-versa.

911


Write a code snippet to display an integer in a binary format?

850


Write a routine to implement the polymarker function

4925


write a java program to create a Frame with three scrolls, change the back ground color of the frame using functions with values of scrolls.

4670