Convert String To Palindrome

CodeChefOpen on judge ↗

You are given a string $S$ of lower case alphabets and you have to convert it to a palindrome.The following operations can be performed for an infinite number of times. - Operation 1 : Swap characters between any two indices in the string. - Operation 2 : Change a character at a particular position to a different character. Operation 1 is free and Operation 2 costs 1 rupee. Find the minimum amo

HINT LADDERno hints yet

L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

🔒

L5 Full solution

L5 unlocks only if you insist twice

solution.cppC++17

CodeSearch Tutor

Hints, not spoilers — it won’t hand over the full solution unless you insist.

voice by Sarvam AI