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An L4 Loop Downleveled to L3

GoogleSoftware Engineer · Onsite · Aug 2026

I recently interviewed for Google L4 R1 and R2. After the interviews, I was downleveled to L3. Round 1 Coding: Given a file system containing directories and files, where each file has a size and each directory contains files or another directory, calculate the total entity size for a given ID that may identify either a directory or a file. It was somewhat like a wrapped version of LeetCode 339.…

Shared by a candidate · reported Aug 2026. Interview formats change; use it as a guide, not a script.