Search⌘ K
AI Features

DIY: Decoding a String

Explore how to decode an encoded string with nested repetition patterns using Ruby. Learn to implement a function that parses and expands these patterns, enhancing your understanding of string manipulation and compiler design concepts relevant to coding interviews.

Problem statement

Given an encoded string, return its decoded string.

The input string is encoded such that k[pattern] should be decoded to pattern repeatedly for k ...