Encoding and Decoding

You are given an encoded array of numbers your job is to decode it and retrieve the original data. ### Example: - Let the original array be 2,6,4,1,5,3 . The encoded array is 2,5,3,1,2,1. - For length $N$ array take the sequence 1, 2, 3 .. to N - For every number in the given array , the encoded number is the position of it in the above sequence. - After encoding an integer remove it from the se