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".
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".