Code RoomList pop front is linear
MediumPrep Room Coding #2100

List pop front is linear

Code reviewAlgorithms & data structuresMid–Senior~18 min

Review this Python BFS-style worker that drains a task list.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix, specific and kind.

0:00 of about 18 min
Mark a line and say what kind of problem it is.0 findings
1def drain(tasks):
2 processed = []
3 while tasks:
4 task = tasks.pop(0) # take from the front
5 processed.append(task)
6 for child in expand(task):
7 tasks.append(child)
8 return processed
Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.