What are some Div2 C/D/E problems that can be solved by convex hull / line sweep/ dot or cross product? Also are there any other geometry algorithms important for codeforces problems?
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Codeforces Round 940 (Div. 2) and CodeCraft-23
32:27:09
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Codeforces Round 940 (Div. 2) and CodeCraft-23
32:27:09
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