볼록껍질 on Historyhttps://kukie.tech/tags/%EB%B3%BC%EB%A1%9D%EA%BB%8D%EC%A7%88/Recent content in 볼록껍질 on HistoryHugoko-krWed, 18 Mar 2026 09:00:00 +0900APS.03 Geometric Problemshttps://kukie.tech/posts/aps.03_geometric_problems/Wed, 18 Mar 2026 09:00:00 +0900https://kukie.tech/posts/aps.03_geometric_problems/From cross product to convex hull: a complete walkthrough of CCW, line segment intersection, and the Monotone Chain algorithm.