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Problem StatementTakahashi Elementary School has $N$ new students. For $i = 1, 2, \ldots, N$, the name of the $i$-th new student is $S_i$ (which is a 阅读全文
posted @ 2023-01-04 17:08
灰鲭鲨
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Problem StatementYou are given a sequence $A=(A_1,A_2,\dots,A_N)$ of length $N$ consisting of positive integers, where the elements of $A$ are distinc 阅读全文
posted @ 2023-01-04 16:49
灰鲭鲨
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Problem StatementFind the sum of popcounts of all integers between $1$ and $N$, inclusive, such that the remainder when divided by $M$ equals $R$. Her 阅读全文
posted @ 2023-01-04 16:23
灰鲭鲨
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Problem StatementGiven is a permutation $P=(P_1,P_2,\ldots,P_N)$ of $1,2,\ldots,N$, and an integer $X$. Additionally, $Q$ queries are given. The $i$-t 阅读全文
posted @ 2023-01-04 11:23
灰鲭鲨
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