The Quest Begins (The "Why") Honestly, I used to dread interview questions that asked for “the top K frequent elements” or “merge K sorted lists. ” I’d reach for a naive solution—sort the whole array, or shove everything into a list and repeatedly scan for the minimum. The code worked, but it fe...
Source: [Dev.to](https://dev.to/timevolt/the-priority-queue-my-jedi-training-with-heaps-a1f)