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Ben and String

Ben loves to play with Strings and so his friends gifted him a string S of length N on his birthday. They also know that he loves to be challenged and so they give him Q queries. There are two types of queries. 1. Given two integers L and R, Ben has to find if the substring in the range L to R can be permuted(rearranged in any order) to form a palindrome or not. 2. Given integer I and character

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L1 Observation
L2 Technique
L3 Approach
L4 Pseudo-code
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solution.cppC++17

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