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G.InversionsThere are N integers (1A[j].InputThe first line of the input contains the number N. The second line contains N numbers A1...AN.Outp... 阅读全文
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Good Luck in CET-4 Everybody!Time Limit: 1000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4517Accepted Submissi... 阅读全文
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So you want to be a 2n-aire? Problem's Link Mean:玩一个答题赢奖金的游戏,一开始有1块钱,玩n次,每次赢的概率为t~1之间的某个实数.给定n和t,求最终能够获得奖金的最大期望值. analyse:假设玩家已经答对了第i题,那么当前的... 阅读全文
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Clock Time Limit: 1000MS Memory Limit: 32768KB 64bit IO Format: %I64d & %I64u [Submit] [Go Back] [Status] Description There is an analog clock with tw 阅读全文