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Problem Description Let’s call a weighted connected undirected graph of n vertices and m edges KD-Graph, if the following conditions fulfill: * n vert 阅读全文
posted @ 2021-07-20 21:01
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Problem Description Given n-1 points, numbered from 2 to n, the edge weight between the two points a and b is lcm(a, b). Please find the minimum spann 阅读全文
posted @ 2021-07-20 18:36
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Problem Description Given a matrix of n rows and m columns,find the largest area submatrix which is non decreasing on each column Input The first line 阅读全文
posted @ 2021-07-20 18:29
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链接：https://ac.nowcoder.com/acm/contest/11253/K 来源：牛客网 题目描述 ZYT had a magic permutation a1,a2,⋯ ,ana1,a2,⋯,an, and he constructed a sequence b1,b2,⋯bnb 阅读全文
posted @ 2021-07-20 10:53
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