F - Zero or One Editorial by shadow9
Check all values of \(b \in [2,1000]\). Now for any \(b > 1000\) , \(N\) can have at most 7 digits in base \(b\). Use bitmasking to iterate over all possible masks and find the appropriate \(b\) using binary search.
Submission - https://atcoder.jp/contests/abc293/submissions/39648391
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