Convert a Column Number to an Excel-Style Label

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Quick Overview

Convert one-based spreadsheet columns into A-through-Z and AA-through-ZZ labels, with correct handling of multiples of 26.

Convert a Column Number to an Excel-Style Label

Company: Houzz

Role: Software Engineer

Category: Coding & Algorithms

Difficulty: medium

Interview Round: Online Assessment

Overview: Convert one-based spreadsheet columns into A-through-Z and AA-through-ZZ labels, with correct handling of multiples of 26.

Read the full Houzz Software Engineer interview experience this question came from

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Houzz
Sep 18, 2026
mediumSoftware EngineerOnline AssessmentCoding & Algorithms
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