Kartikey Mishra

I read Rich Sutton’s The Bitter Lesson the other night, and one idea kept bothering me in a good way. It made me think about a LeetCode problem I’ve probably solved fifty times: two numbers in an array that add up to a target. The obvious solution is a loop inside another loop, checking every possible pair. It’s slow. It’s not particularly clever. But it works. Then you learn the usual better approach: use a hashmap, reduce the complexity, and move on.

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