Congratulations all around
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...to OldProgrammer on reaching "Stargazer" and getting his star icon!
...and to "relativity" on getting his doctorate and becoming (one of) "the doctor"(s)
Thanks Guy! Congratulations especially to you and MoffSerge for completing and keeping up with all the problems and to anybody whose programming skills have gone forward in using this site.
I certainly learned a lot doing all those problems, especially some of the harder ones. In my daily work, I never need to use graphs, trees, BigIntegers, factorials, etc.
Quite a few made me wish I had studied math to a more advanced level while in college (and forgotten less in the years since!)
> In my daily work, I never need to use graphs
That is said by Guy who proposed one of the most interesting problems here - which, if I remember correctly, requires graphs for solving :)
Though I agree. I used graph algorithm in my casual work only once, and very simple one...
Sadly, I didn't use a graph to solve that one. It would probably be a more elegant solution...
Just because you forced me to use graphs a few times, doesn't mean I got good at it. :)