algorithms and random thoughts

There are two proofs with the same basic idea, proving that two medians intersect and split the line connecting one endpoint and its midpoin...

copied from neal's cf blog. ios :: sync_with_stdio ( false ); cin . tie ( nullptr );

https://www.sequoiacap.com/people/bill-coughran/ Bill was once leading Google's Engineering team and he has many interesting perspecti...

After a long break, I find it compelling to start writing again, and not limit myself to programming competition or interview problems.

Candy distribution problem There are n students in a circle, each of them start with a[0] ... a[n-1] candies. There is also an infinite pi...

https://www.hackerrank.com/contests/codewhiz-java-march-2016/challenges Not much algorithm but a nice exercise on Java features. interfa...

http://pages.cs.wisc.edu/~remzi/OSTEP/ Disclaimer, I found this on Internet and know nothing about the author. This is a nice book that ex...