Mischievous Friend

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Irshad and Sufiyan are best friends. Sufiyan is a naughty guy. Irshad has to deliver a speech in his college fest. He prepared his speech of N characters. Sufiyan changed a single word w, wherever it occurred in the speech. But later on, just before the fest he decided to tell Irshad about it. Irshad needs your help to correct his speech quickly as the time left is very less. You will be given a

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solution.cppC++17

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