Busy Mother

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A mother has a child named Billy. Billy has $N$ toys (numbered $1$ to $N$). Each toy has two attributes: • $E$i—enjoyment, which is the number of minutes Billy plays with a toy without getting bored with it. • $R$i—remembrance, which is the number of minutes it takes Billy to forget a toy after playing with it. The toys are arranged in a sequence, from $1$ to $N$. Billy plays with them one by

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solution.cppC++17

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