Explain short solution to find farthest point from every node please ! 
Difference between en1 and en2, changed 21 character(s)
I was trying to solve [this problem](https://cses.fi/problemset/task/1132/) and this is my ↵
[AC code](https://paste.ubuntu.com/p/g4CZ8jgYdb/). I then found [This short solution](https://paste.ubuntu.com/p/xd35ZWJxJy/) written by some user.↵
Can anyone explain what it does and why is it correct? 

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en2 English youssefbou62 2019-09-06 16:30:00 21 Tiny change: 't it does ? ' -> 't it does and why is it correct? '
en1 English youssefbou62 2019-09-06 15:49:30 347 Initial revision (published)