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Description Jack and John inherited an inheritance, which includes \(n\) assets (including real estate, deposits, stocks, etc.), and the value of each 阅读全文
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Description There is an unrooted tree with \(n\) nodes, each node is numbered $1 \sim n$. Now it is required to delete one of the nodes so that the nu 阅读全文
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Description Betty is working on a large-scale data statistics problem. She has obtained \(n\) positive integers \(a_i\). Now she wants to select \(n_1 阅读全文
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Description We call the number consisting of 0 and 1 in the decimal number "quasi-binary number", input a positive integer \(n\), and decompose it int 阅读全文
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Description The children are playing a matching game. There are \(n\) boys and \(m\) girls, numbered $1 \sim n$ and $1 \sim m$ respectively. If the su 阅读全文
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Description Given a square and several points, find the number of points in the square (including points on the sides of the square). Here the four si 阅读全文