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Discussion of Problem 1095. Nikifor 3

Could anyone explain about "Nikifor knows that a certain positive integer has in its decimal form each of the digits 1,2,3,4" ??? I don't understand it
Posted by Badd 5 Mar 2002 21:09
It means...
Posted by I have answers to all your questions :) 5 Mar 2002 22:24
all numbers in the input have at least one '1', one '2', one '3' and
one '4' in their decimal form, is this clear now ? ;)
Re: It means...
Posted by YU Jiande 25 Apr 2011 07:24
Thank you for you help.

Now I guess it's the key of this problem. If I can get any of 0~6 by putting 1,2,3,4 as the first 4 digits.