Formed in 2009, the Archive Team (not to be confused with the archive.org Archive-It Team) is a rogue archivist collective dedicated to saving copies of rapidly dying or deleted websites for the sake of history and digital heritage. The group is 100% composed of volunteers and interested parties, and has expanded into a large amount of related projects for saving online and digital history.
-100dayscodingchallenge
- Earlier it was only for motivation for getting started, now it has gone past 100 days and going for more and more problems.
- Questions are almost all of taken from actual Interview problems and sources include but not limited to geeksforgeeks, leetcode, interviewbit.com, codeforces, codingBlocks etc..
Good resource :
https://codeforces.com/blog/entry/23204
https://codeforces.com/blog/entry/57282
https://www.topcoder.com/community/competitive-programming/tutorials/
https://www.geeksforgeeks.org/
https://www.hackerearth.com/codearena/
https://www.hackerrank.com/interview/interview-preparation-kit
https://leetcode.com/
https://www.dailycodingproblem.com/
https://www.interviewcake.com/
https://www.interviewbit.com/
- [Note] : Solutions are not only code ! It contains complete detailed explanation as if I am explaining it in the interview with lots of I/O examples, intutions about different approaches and space-time tradeoffs discussions.
