Minimum Insertions to Make String Palindrome
DP on Strings DSA practice problem on Onlearn.
Difficulty: hard.
Topics: Minimum insertions required to make a string palindrome, Dynamic Programming, Longest Common Subsequence, Palindromes, Subsequences, Tabulation, Space Optimization, Time Complexity, Space Complexity, space optimization, string properties, dynamic programming, Longest Palindromic Subsequence (LPS).
Minimum insertions required to make a string palindrome Problem Statement Given a string s, find the minimum number of characters that need to be inserted into s to make it a palindrome. Input Format A single line containing the string s. Output Format A single integer representing the minimum number of insertions. Example Input: Output: Explanation: For the string "abcaa", the Longest Palindromic Subsequence is "aaa" (length 3). The length of the original string is 5. The minimum insertions required is calculated as length(s) length(LPS) = 5 3 = 2.