Problem 54260. Concatenate input positive integers to obtain a maximum.

  • Created by CXD
Input some integers, you need to concatenate them to obtain a maximum integer. Neither use library function "perms" to list all possible solution, nor use to switch your data between numbers and strings. Therefore, any function, with substring "perm" or "str" is forbidden. Since possibly you get a super large number, return the string format of the answer.
E.g., input [2 4 41 27],
you get '441272';
and input [ 2 27 272 27272 ]
you get '27272722722'
Solve

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29.3% Correct | 70.7% Incorrect
Last Solution submitted on Dec 02, 2025

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