Slight Modification to 8VC Final Round Div 2 C

Revision en1, by WorldWarIV, 2017-01-23 00:26:58

Had it been given that the sequence of integers p1,p2..pn is not necessarily a permutation, it would have been a more interesting problem ! How will we solve this modified version of the problem?

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en1 English WorldWarIV 2017-01-23 00:26:58 242 Initial revision (published)