I applied through a company referral. The initial recruiter call was scheduled for the same week. However, my recruiter missed two calls and was replaced by another recruiter who finally called to set up the technical screen. The technical screen happened within a week and it seemed like I passed and was invited to onsite. However, they changed their mind and decided to do a second phone screen the next week, which I failed.

You are given a binary tree in which each node contains an integer value.

List all paths that sum to a given target value.

The path does not need to start or end at the root or a leaf, but it must go downwards (traveling only from parent nodes to child nodes).