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Chef is running a lemonade stand, and each lemonade costs him Rs. $X$ to make. Chef will have $N$ total customers coming to his lemonade stand today, with the $i$-th customer willing to spend Rs. $i$ on a lemonade. So, the first customer is willing to spend Rs. $1$, the second Rs. $2$, the third Rs. $3$ and so on. For each customer, Chef can choose whether to accept and provide him with lemona

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solution.cppC++17

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