Xoxo and Airtime

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Long time ago, Mr. Xoxo opened a Mobile Company, "AIRTIME". He worked day and night to take his company to the next step of success. Due to his great efforts, the company opened many branches across the world in few years. But after N days, Mr. Xoxo died in an air crash while he was returning after meeting his grandson Xuxu who was pursuing his Masters degree in India. After the death of Mr. Xoxo

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solution.cppC++17

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