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Sonu , Titu and Sweety were three friends in which sonu is mutual friend to both Titu and Sweety. From very Beginning of their friendship titu as well sweety use to like eachother alot but both didn't have any courage to confess their love. Titu always used to write some encrypted letter and thought to give her at right moment. I.e he XOR each letter of the msg with its index value . seeing this

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solution.cppC++17

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