IBM Interview Question for Software Engineer / Developers






Comment hidden because of low score. Click to expand.
0
of 0 vote

Does "something better" mean more efficient implementation? O(n^2) is needed to get all the distances.

- DRY August 26, 2010 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 votes

It doesn't mean that all distances need to be calculated.

- ftfish August 26, 2010 | Flag
Comment hidden because of low score. Click to expand.
0
of 0 votes

Not possible.

- DRY August 26, 2010 | Flag
Comment hidden because of low score. Click to expand.
0
of 0 vote

there is an algorithm itself named K-nearest neighbours alorithm in data warehousing..... the time complexity is O(nlogn)

- srinivas August 26, 2010 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 votes

ya k-nearest neighbours algo will work..
other optimization: divide the search space into trees
O(nlogn)

- Rocco August 26, 2010 | Flag
Comment hidden because of low score. Click to expand.
0
of 0 vote

I am not sure about the question, is k a variable or a given constant?

- Xi Zhang August 26, 2010 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

sort on the basis of distance O(nlogn)

- Anonymous October 02, 2010 | Flag Reply


Add a Comment
Name:

Writing Code? Surround your code with {{{ and }}} to preserve whitespace.

Books

is a comprehensive book on getting a job at a top tech company, while focuses on dev interviews and does this for PMs.

Learn More

Videos

CareerCup's interview videos give you a real-life look at technical interviews. In these unscripted videos, watch how other candidates handle tough questions and how the interviewer thinks about their performance.

Learn More

Resume Review

Most engineers make critical mistakes on their resumes -- we can fix your resume with our custom resume review service. And, we use fellow engineers as our resume reviewers, so you can be sure that we "get" what you're saying.

Learn More

Mock Interviews

Our Mock Interviews will be conducted "in character" just like a real interview, and can focus on whatever topics you want. All our interviewers have worked for Microsoft, Google or Amazon, you know you'll get a true-to-life experience.

Learn More