HBC216186美丽的项链KthQuery题解

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MianKing has a sequence a1...na_{1...n}a1...n and he wants to answer QQQ queries about it. Let fff denote the K-th smallest number of sequence b1...nb_{1...n}b1...n which satisfies that i∈[1,n],bi=aixorSforall i in [1,n], b_i=a_i~xor~Si∈[1,n],bi=aixorS. Now for each query, give you L,R,KL,R,KL,R,K, you need to answer MinS=LRfMin_{S=L}^{R}fMinS=LRf.

MianKing has a sequence a1...na_{1...n}a1...n​ and he wants to answer QQQ queries about it. Let f(a,S,K)f(a,S,K)f(a,S,K) denote the K-th smallest number of sequence b1...nb_{1...n}b1...n​ which satisfies that ∀i∈[1,n],bi=ai xor Sforall i in [1,n], b_i=a_i~xor~S∀i∈[1,n],bi​=ai​ xor S. Now for each query, give you L,R,KL,R,KL,R,K, you need to answer MinS=LRf(a,S,K)Min_{S=L}^{R}f(a,S,K)MinS=LR​f(a,S,K).

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标签： HBC216186美丽的项链KthQuery题解