I'm also on my thirties and having some difficulty with leetcode. Something that has really helped me is Grokking the Coding Interview. It goes through a few p

I'm also on my thirties and having some difficulty with leetcode. Something that has really helped me is Grokking the Coding Interview. It goes through a few patterns for solving algos. I'm not smart enough to figure these patterns on my own and the patterns I have learned have given me a really good place to start from.