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Šimon Tóth

Sunday common C++ interview problem: Number validator.

Given a potential number as a string, determine whether the string contains (only) a valid decimal number.

Solve it yourself: compiler-explorer.com/z/KoKsnv
Solution: compiler-explorer.com/z/s6vbKn

@davidr Thank you for applying, after much deliberation, we have decided that you are not a good cultural fit 😋