Find the Closest Palindrome | Simple Observations | Leetcode 564 | codestorywithMIK
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This is the 42nd Video of our Playlist "Strings : Popular Interview Problems" by codestorywithMIK
In this video we will try to solve a very good String Problem : Find the Closest Palindrome | Simple Observations | Leetcode 564 | codestorywithMIK
I will explain the intuition so easily that you will never forget and start seeing this as cakewalk EASYYY.
We will do live coding after explanation and see if we are able to pass all the test cases.
Also, please note that my Github solution link below contains both C++ as well as JAVA code.
Problem Name : Find the Closest Palindrome | Simple Observations | Leetcode 564 | codestorywithMIK
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Summary :
The solution aims to find the closest palindrome to a given number by generating several potential palindrome candidates. The steps are:
Mirror the First Half: The first step is to create a palindrome by mirroring the first half of the given number.
Generate Variants: Next, it generates two additional palindromes by mirroring (firstHalf + 1) and (firstHalf - 1) to handle cases where the nearest palindrome is slightly larger or smaller.
Handle Edge Cases: The solution also considers edge cases, such as palindromes of the form 999... (e.g., 999) and 100...001 (e.g., 1001), which could be nearest palindromes for numbers like 1000.
Find the Closest: Among the generated candidates, the closest palindrome is selected based on the smallest absolute difference from the original number. If multiple palindromes have the same difference, the smaller one is chosen.
This approach ensures that all relevant possibilities are considered to find the nearest palindromic number efficiently.
✨ Timelines✨
00:00 - Introduction
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