摘要：
Problem DescriptionAs we know, Rikka is poor at math. Yuta is worrying about this situation, so he gives Rikka some math tasks to practice. There is o... 阅读全文
摘要：
Problem DescriptionAs we know, Rikka is poor at math. Yuta is worrying about this situation, so he gives Rikka some math tasks to practice. There is o... 阅读全文
摘要：
Problem DescriptionAs we know, Rikka is poor at math. Yuta is worrying about this situation, so he gives Rikka some math tasks to practice. There is o... 阅读全文
摘要：
Untrusted PatrolTime Limit:3 Seconds Memory Limit:65536 KBEdward is a rich man. He owns a large factory for health drink production. As a matter of co... 阅读全文
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Descriptionn points are given on the Cartesian plane. Now you have to use some rectangles whose sides are parallel to the axes to cover them. Every po... 阅读全文
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DescriptionTo avoid unsightly burns while tanning, each of the C (1 ≤ C ≤ 2500) cows must cover her hide with sunscreen when they're at the beach. Cow... 阅读全文