Daily Coding Problem: Problem #1330 [Easy]

Good morning! Here's your coding interview problem for today.

This problem was asked by Dropbox.

Spreadsheets often use this alphabetical encoding for its columns: "A", "B", "C", ..., "AA", "AB", ..., "ZZ", "AAA", "AAB", ....

Given a column number, return its alphabetical column id. For example, given 1, return "A". Given 27, return "AA".

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