Valid Palindrome - LeetCode Day 3 Challenge ๐Ÿ“

Solve the Valid Palindrome problem using 2 pointers and reverse techniques in the August LeetCoding Challenge. Explore more challenges!

Valid Palindrome - LeetCode Day 3 Challenge ๐Ÿ“
Algorithms Made Easy
1.1K views โ€ข Aug 3, 2020
Valid Palindrome - LeetCode Day 3 Challenge ๐Ÿ“

About this video

The day 3 problem in August Leetcoding Challenge. ( Valid Palindrome ).

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0:00 How to find if string is a valid Palindrome?
0:43 Compare with reverse approach
1:23 Two pointer approach

Problem Link: https://leetcode.com/problems/valid-palindrome/
Problem statement:
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.

Note: For the purpose of this problem, we define empty string as valid palindrome.

Example 1:
Input: "A man, a plan, a canal: Panama"
Output: true

Example 2:
Input: "race a car"
Output: false

Constraints:
s consists only of printable ASCII characters.

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Code Link: https://github.com/Algorithms-Made-Easy/August-Leetcoding-Challenge/blob/master/Day-3%20Valid%20Palindrome

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Aug 3, 2020

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