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时长:00:00更新时间:2020-11-09 07:57:55
CodeforesRound#263(div2)B.ApplemanandCardGame:Appleman has n cards. Each card has an uppercase letter written on it. Toastman must choose k cards from Appleman's cards. Then Appleman should give Toastman some coins depending on the chosen cards. Formally, for each Toastman's card i yo
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