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Decode the Coding Interview in Ruby: Real-World Examples

DIY: Find and Replace in a String

Understand how to implement a function that replaces specified substrings in a string based on given indices, sources, and targets. This lesson helps you build skills in string manipulation and applies concepts relevant to compiler design and optimization.

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Problem statement

For this challenge, you will be given a string, s. Your task will be to perform replacement operations in this string that replace substrings with new ones and return the resultant string. For the replacements, you will be given a list of indices, a list of strings called ...