Editorial for KBIGNUMB required!!

Can someone post the solution or references for this question. https://www.codechef.com/FEB17/problems/KBIGNUMB

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Here is it https://www.hackerrank.com/challenges/eugene-and-big-number

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This is a very nice video editorial - https://www.youtube.com/watch?v=VyPysOdolfk&feature=youtu.be

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That is why this problem was removed from the contest I guess :smiley:

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Exactly! There was another question in FEB17 which was framed from codeforces.com website had been removed

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@admin Practice version for this problem is not available. Can you please add the practice version for this problem.