Hey y’all, wishing everyone a good week!

Here’s another solution for another frequently asked Meta question, **[Leetcode 670 Maximum Swap](https://leetcode.com/problems/maximum-swap/description/)** and its variant.

IMO the variant is very common: what if you had to build the *second largest number*? There are some tricky gotcha’s so that’s why I shamelessly spent 10 minutes setting up mathematical context in the OG problem - it’ll help the understanding, I swear!

Check it out (or not!):
https://www.youtube.com/watch?v=2DH0a3h6juI


Reference to the OG LC problem: https://leetcode.com/problems/maximum-swap/description/

Good luck on your phone screens & onsite loops.


Hey y’all, wishing everyone a good week!Here’s another solution for another frequently asked Meta question, Leetcode 670 Maximum Swap and its variant.IMO the variant is very common: what if you had to build the second largest number? There are some t