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Claude Opus 5.5Video

3Blue1Brown-style explainer of a faster 3SUM algorithm

ChopperLin89@ChopperLin89

3SUM in O(n²) via sort + two pointers looked optimal for decades. Alman & Vassilevska Williams just beat it: O(n^1.9992), with the core algorithm found by Claude. I had Claude Opus 5.5 make a 3Blue1Brown-style explainer:

Posted
Oct 9, 2026
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