How to Solve String Compression I I I Problem
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String Compression III
Given a string word, compress it using the following algorithm: Begin with an empty string comp. While word is not empty, use the following operation: Remove a maximum length prefix of word made of a ...
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Understanding the String Compression I I I Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
Given a string word, compress it using the following algorithm: Begin with an empty string comp. While word is not empty, use the following operation: Remove a maximum length prefix of word made of a single character c repeating at most 9 times. Append the length of the prefix followed by c to comp. Return the string comp.
String Compression III
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Examples
word = "abcde""1a1b1c1d1e"Initially, comp = "". Apply the operation 5 times, choosing "a", "b", "c", "d", and "e" as the prefix in each operation. For each prefix, append "1" followed by the character to comp.
word = "aaaaaaaaaaaaaabb""9a5a2b"Initially, comp = "". Apply the operation 3 times, choosing "aaaaaaaaa", "aaaaa", and "bb" as the prefix in each operation. For prefix "aaaaaaaaa", append "9" followed by "a" to comp. For prefix "aaaaa", append "5" followed by "a" to comp. For prefix "bb", append "2" followed by "b" to comp.
Constraints
1 <= word.length <= 2 * 105word consists only of lowercase English letters.How Interview Coder Helps with Leetcode Problems
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