Quick Overview

This question evaluates understanding of string encoding and mapping, including handling non-bijective character-to-code relationships and performing dictionary-based reverse lookups for decryption.

Implement String Encryption and Decryption

Company: Duolingo

Role: Software Engineer

Category: Coding & Algorithms

Difficulty: easy

Interview Round: Technical Screen

Quick Answer: This question evaluates understanding of string encoding and mapping, including handling non-bijective character-to-code relationships and performing dictionary-based reverse lookups for decryption.

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