ZigZag Conversion - Leetcode 6 - Arrays & Strings (Python)

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[SparshKhare-ot]

I used to follow Neetcode for his solutions as they were really detailed and explained properly but I genuinely feel like your solutions are much easier to understand!! Keep up the good work, we really appreciate it.

[robertszlufik]

Mate, you’re doing an amazing job explaining those problems. Thank you very much!

[dontignore]

This solution is so Fire, NeetCode's solution almost made me suicide.

[MrNegimaki]

Not the most memory efficient solution, but I'll actually remember the thought process, so infinitely more approachable than neetcode's derived arithmetic. That one was... a very, very difficult derivation to arrive at and trust to be correct.

[NormalHuman]

thanks for the video. Btw I guess the string concat issue depends on the language. In many languages like Java / C# you can use StringBuilder class

[sase]

You should demo rowN = 4, rowN = 3 is simple case so you can't really see the real picutre when updward will create new col

[EgorGuriyanov]

Doesn't work with numRows = 1 and string more than 1 char try "AB", numrows = 1. It still goes for next char B, it enters the 1st if (i==0) and sets d, skips the elif, cuz also i == numRows -1, and on the next cycle it will try to set rows[1].append ... which results in OutOfBoudaries Excp