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摘要


In computer sciences the subset sum problem which is closely related to knapsack problem has many applications. Recently, Nederlof has presented a protocol [Information Processing Letters, 118 (2017), 15-16] for constructing a proof that the number of subsets summing to a particular integer equals a claimed quantity. In this note we show that the protocol is awed because: 1) its consistence is not kept; 2) the proposed recurrence formula is incorrect.

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