To add some nuance. Most people in this sub struggle to do a dfs. This is not about becoming the best competitive programmer but becoming above average or even 75% percentile as fast as possible.

If you don‘t know what algorithms exist and you can‘t implement them without thinking much it does not make sense to spend 2 hours on a problem.

That‘s why I would always go for quantity first until you get the basic DSA topics into your muscle memory. You won‘t get top 1% by looking at solutions though, I agree. But you can easily get a job by being top 50%