is a comprehensive book on getting a job at a top tech company, while focuses on dev interviews and does this for PMs.
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.
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.
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.
Isnt this the famous 100 locker puzzle?
- bhaskar.jain2002 June 30, 2012The school has 100 lockers. One by one each student has to go the lockers and open them in the following pattern:
Student 1 opens all the lockers
Student 2 goes and closes every second locker
Student 3 goes and "changes the state" of every third locker i.e. if its open , close etc and vice versa.
Student 4 changes the state of every 4th locker.
.
.
.
.Student n changes the state of every nth locker
This goes on for all 100 students.
They have to tell which all lockers are open at the after 100th student is done with his task.