I received the call to schedule the first round of phone interviews. I was presented with a very easy problem and solved it without any difficulty. The interviewer stated, "I am satisfied with your code. It looks good and works too."

I followed up with the hiring manager after a week of no response and with my status for this job position still showing "Submitted." I was then told that they were not moving forward with me. The hiring manager wasted a week of my time. As an international candidate, time is of the essence, as I only have a limited number of days to find a job. They informed me that they would no longer be considering me only after I inquired.

Replace every node in the BST with the sum of every node that is greater than or equal to it.