Multi-Language (Coding): Palindromic Subsequence Test

A longest palindromic subsequence (LPS) of a string is a subsequence that is a palindrome and has maximum length.

Available in

  • English

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1 Skills measured

  • Dynamic Programming

Test Type

Coding Test

Duration

40 mins

Level

Advanced

Questions

1

Use of Multi-Language (Coding): Palindromic Subsequence Test

A palindrome is a string that reads the same forwards and backwards. A subsequence of a string is a sequence of characters obtained by deleting zero or more characters from the string while maintaining the relative order of the remaining characters. A longest palindromic subsequence (LPS) of a string is a subsequence that is a palindrome and has maximum length.

For example, if the given string is "character", then the longest palindromic subsequence is "carac" or "ractar" or "catac" or "atar".

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