Coolreshab and HP sequences

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Since coolreshab got an internship in HP :D, he likes only HP sequences(see definition below). You are given a string S and Q queries.The string will only contain characters 'H' or 'P'. The queries can be of the following types :- 0 l r , for which replace H with P and vice versa in the substring between the l and r inclusive. 1 l r , Lets call the substring between l and r of the current string

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L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

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solution.cppC++17

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