Longest Palindromic Subsequence(DP)

Link of the question
https://www.geeksforgeeks.org/longest-palindromic-subsequence-dp-12/

Coding platform
[ ] Hackerrank
[ ] HackerEarth
[ ] Codechef
[ ] Codeforces
[ ] Leetcode
[ ] InterviewBit
[ ] AtCoder
[*] 450 DSA Sheet

Programming language
[ ] C
[*] C++
[ ] Java
[ ] Python

Additional context (OPTIONAL)