Personally I find Regular Expression Matching the hardest problem to reason about. My favourite is “616. Add Bold Tag in String”, because I have been asked about that problem (with variations) in 3 different interviews.
What's leetcode? I see many people complaining about it, but what is it?
HAHAHAHAHAHAHA If you want to do well at whiteboard algorithm interviews these days, you gotta grind through LeetCode for practice so you learn the patterns.
I have a Google interview coming up soon so I’m trying to do 100 LeetCode problems before then.
The DP question about Fallout 4 game is my recent favorite. Trickiest to code is skyline problem.
The rainwell one is super fun. I dislike the word bridge one (not sure if it's on there, but it should be if not)
Falling Squares is tricky
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