Gate CS-2010 Question Paper With Solutions

Q. 2 The weight of a sequence a,a1,,an1a0,a1,…,an−1 of real numbers is defined as a+a1/2++an1/2n1a0+a1/2+⋯+an−1/2n−1. A subsequence of a sequence is obtained by deleting some elements from the sequence, keeping the order of the remaining elements the same. Let XX denote the maximum possible weight of a subsequence of ao,a1,,an1ao,a1,…,an−1 and YY the maximum possible weight of a subsequence of a1,a2,,an1a1,a2,…,an−1. Then XX is equal to

Gate CS-2010 Question Paper With Solutions

Answer: (B)

Explanation:

Gate CS-2010 Question Paper With Solutions

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