How to Solve Palindromic Substrings Problem
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Palindromic Substrings
Given a string s, return the number of palindromic substrings in it. A string is a palindrome when it reads the same backward as forward. A substring is a contiguous sequence of characters within the string.
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Understanding the Palindromic Substrings Problem
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Problem Statement
Given a string s, return the number of palindromic substrings in it. A string is a palindrome when it reads the same backward as forward. A substring is a contiguous sequence of characters within the string.
Palindromic Substrings
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Examples
# Example 1
s = "abc"
3
# Example 2
s = "aaa"
6
Constraints
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Solve Palindromic Substrings — Given a string s, return the number of palindromic substrings in it. A string is...
Here's the optimal approach using Two Pointers:
Time: O(n) | Space: O(n)
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