How to download the historical versions of pages from google cache

Well you can get the historical versions of web pages from the google cache. I am not sure how old are these, if any one of you knows and cares to look it up please let me know too :P ?

The query you need to use to get an older version of webpage www.mypage.com from Google Cache is as follows:
http://webcache.googleusercontent.com/search?q=cache:www.mypage.com

To download the page using the wget linux command, you need to pass user-agent as google doesn't allow wget to fetch data, so here is how you can automate it:

wget --output-document=out.htm --user-agent=AGENT --level=1 http://webcache.googleusercontent.com/search?q=cache:www.mypage.com

Interesting isn't it :)

Google Interview Questions

1. You are given a sorted array (a[]) and a value sum. Find the pairs a[i] and a[j] in the sorted array s.t. a[i] + a[j] = sum. Your algorithm should be linear in time and space.
2. In the tennis tournament find the second best player.

Design data structure for merging meeting schedules

http://stackoverflow.com/questions/8346689/design-data-structure-for-merging-meeting-schedules