Inverse of Euler totient function

Revision en1, by SLIMSHADYNICK, 2020-03-10 23:07:18

There's this problem INVPHI on spoj, I have not been able to solve it. I have been getting NZEC runtime error. Could anyone tell me how to approach as I feel I have exceeded the memory limitations.

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en1 English SLIMSHADYNICK 2020-03-10 23:07:18 231 Initial revision (published)