Room Allocation

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Jadavpur University wants to find out the number of rooms they need to accommodate the teams coming for their fest. A total of $N$ colleges are coming, where, the $i^{th}$ college has a team of $A_i$ members. Each room can accommodate **at most** $2$ people. Moreover, people from **different** colleges **dislike** staying together. Find the **minimum** number of rooms Jadavpur University wil

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solution.cppC++17

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