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mediumNeetCode 150

Network Delay Time

This one rewards reaching for a priority queue instead of repeatedly sorting or scanning. Interviewers love it because it reveals your priority-based reasoning and your edge-case discipline. The trap is stale entries or unbalanced structures—be clear about what belongs in the heap.

BFS / DFSGraphsHeap / Priority Queue
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1Calculate Network Delay Timemedium
Based onLeetCode

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