Differentiation

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There are $N$ events (numbered from $1$ to $N$) and $M$ contestants (numbered from $1$ to $M$). For each event $i$, contestant $j$ receives a predetermined number of points $A_{i, j}$. A [subset](https://en.wikipedia.org/wiki/Subset) of these events will be selected, and the final score of contestant $j$, denoted $s_j$, will be the sum of their points for each event selected. Formally, if $S$ de

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solution.cppC++17

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