Longest Substring With Atmost K Distinct Characters
A Sliding Window and Two Pointers Problem
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Algorithms and Data Structures: TheAlgorist.com
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System Design: DistributedComputing.dev
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Low Level Design: LowLevelDesign.io
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Frontend Engineering: FrontendEngineering.io
Problem Statement:
Given a string s and an integer k, return the length of the longest substring of s that contains at most k distinct characters.
Example 1:
Input: s = "eceba", k = 2
Output: 3
Explanation: The substring is "ece" with length 3.
Example 2:
Input: s = "aa", k = 1
Output: 2 Explanation: The substring is "aa" with length 2.
Solution:
Prerequisite: Sliding Window
Algorithm:
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