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第三弾が始まる! codechef problems 第三弹 一、Motorbike Racing 题面 It's time for the annual exciting Motorbike Race in Byteland. There are N motorcyclists taking pa 阅读全文
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第二弾が始まる! codechef problems 第二弹 一、Backup Functions 题面 One unavoidable problem with running a restaurant is that occasionally a menu item cannot be prep 阅读全文
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题目描述 Bessie has been playing with strings again. She found that by changing the order of the alphabet she could make some strings come before all the 阅读全文