Update graph.md - use popleft() instead of pop() in the queue - Topological sort #685
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shardul-shah
approved these changes
Mar 9, 2025
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@yangshun +1 on this PR. This is the mistake I also noticed, which we discussed earlier today, and which you agreed was a mistake.
Reasoning: Topological sort uses BFS and a queue. If we append to the back (index -1) of the queue, we should pop from the front of the queue - index 0, that is. queue.popleft() (since we use deque).
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