Technical Screen

Log Binary Search With Two Graph Follow-ups

SnowflakeSoftware Engineer · Technical Screen · Sep 2025

A classic problem in applied-problem form. Binary Search The input is a log history. There are three types of logs: Info, Warn, and Error, and each log line starts with its own type — for example an Info log looks like "[Info] ...". The log history follows two patterns: Once an Error shows up, the service goes down, and every log after that is Error The log right before the first Error is always…

Shared by a candidate · reported Sep 2025. Interview formats change; use it as a guide, not a script.