How many problems do you need to grind to get hired
I’d say at least 200 problems, if no leetcode experience prior. Maybe 100 if you’re just refreshing. In both cases, I’d say there’s still a ton of luck involved. You can get interviewers who just won’t hire you no matter how well you do on the problem. I think 100/200 is still low for how the industry is today, to ensure at least one reasonable offer.