How to Solve Longest Palindrome Leetcode Problem - Interview Coder Guide
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How to Solve Longest Palindrome Problem

Master the Longest Palindrome LeetCode problem with undetectable real-time assistance. Get instant solutions and explanations during your coding interviews.

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Easy#409
LeetCode Problem

Longest Palindrome

Given a string s which consists of lowercase or uppercase letters, return the length of the longest palindrome that can be built with those letters. Letters are case sensitive, for example, "Aa" is no...

Hash TableStringGreedy

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Problem Breakdown

Understanding the Longest Palindrome Problem

Let's break down this LeetCode problem and understand what makes it challenging in interview settings.

Problem Statement

Given a string s which consists of lowercase or uppercase letters, return the length of the longest palindrome that can be built with those letters. Letters are case sensitive, for example, "Aa" is not considered a palindrome.

EasyProblem #409
LeetCode

Longest Palindrome

Related Topics
Hash TableStringGreedy
How Interview Coder Helps

Get real-time assistance for Longest Palindrome problems during coding interviews. Interview Coder provides instant solutions and explanations.

Examples

Example 1
INPUT
s = "abccccdd"
OUTPUT
7
EXPLANATION

One longest palindrome that can be built is "dccaccd", whose length is 7.

Example 2
INPUT
s = "a"
OUTPUT
1
EXPLANATION

The longest palindrome that can be built is "a", whose length is 1.

Constraints

1 <= s.length <= 2000
s consists of lowercase and/or uppercase English letters only.

How Interview Coder Helps with Leetcode Problems

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Platform Compatibility

Zoom
Supported
Google Meet
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HackerRank
Supported
CodeSignal
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CoderPad
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Frequently Asked Questions

Common questions about solving Longest Palindrome and using Interview Coder during coding interviews.

Interview Coder generates complete solutions instantly with proper complexity analysis, letting you focus on explaining your approach and demonstrating problem-solving skills rather than getting stuck on implementation details during high-pressure situations.

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