Problem 54605. minimum numbers of 1 to build n

  • Created by CXD
The (Mahler-Popken) complexity of n: minimal number of 1's required to build n using + and *. see A005245.
In this problem, you need to write the expression down, i.e., the return y is a string.
The answer is of course not unique, so just meet the requirement.
Solve

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9.74% Correct | 90.26% Incorrect
Last Solution submitted on Dec 07, 2025

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