Practice Real Company Assessment Patterns • Latest 2025–2026 Mock Tests

Programming Exercises

Write a function to find the longest palindromic substring in a given string.

Hard

Problem Statement

Write a function to find the longest palindromic substring in a given string.

Sample Input

abccccdd

Sample Output

cccc

Limits

Time: 2s · Memory: 256 MB

Code Editor
00:00
def longest_palindromic_substring(): s = "abccccdd" # Your code here return
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Input
abccccdd
Expected Output
cccc