Couple Seating at Wedding

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At a wedding party, 'N' couples are invited. A seating arrangement plan has to be formed for them. The problem is, couples either want to sit husband and wife together, or couples can sit between the husband and wife of another couple. Also, people will start seating from the left, and a wife will only take a seat after her husband has taken a seat. So a wife cannot seat on the left of her husband

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solution.cppC++17

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