05 2024 档案

摘要:D. Invertible Bracket Sequences A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inser 阅读全文
posted @ 2024-05-31 15:43 onlyblues 阅读(162) 评论(0) 推荐(0) 编辑
摘要:D. XORificator You are given a binary (consisting only of 0s and 1s) n×m matrix. You are also given a XORificator, using which you can invert 阅读全文
posted @ 2024-05-30 21:25 onlyblues 阅读(74) 评论(0) 推荐(0) 编辑
摘要:E. Chain Queries You are given a tree of n vertices numbered from 1 to n. Initially, all vertices are colored white or black. You are asked to p 阅读全文
posted @ 2024-05-29 21:27 onlyblues 阅读(65) 评论(0) 推荐(0) 编辑
摘要:F - MST Query Problem Statement You are given a weighted undirected connected graph G with N vertices and N1 edges, where vertices are numbered 阅读全文
posted @ 2024-05-27 21:21 onlyblues 阅读(53) 评论(0) 推荐(0) 编辑
摘要:[USACO13DEC] Optimal Milking G 题目描述 Farmer John has recently purchased a new barn containing N milking machines (1 <= N <= 40,000), conveniently numbe 阅读全文
posted @ 2024-05-27 17:07 onlyblues 阅读(6) 评论(0) 推荐(0) 编辑
摘要:F. Cutting Game Alice and Bob were playing a game again. They have a grid of size a×b (1a,b109), on which there are n chips, 阅读全文
posted @ 2024-05-21 15:28 onlyblues 阅读(83) 评论(0) 推荐(0) 编辑
摘要:Find Products of Elements of Big Array A powerful array for an integer x is the shortest sorted array of powers of two that sum up to x. For example, 阅读全文
posted @ 2024-05-13 17:09 onlyblues 阅读(5) 评论(0) 推荐(0) 编辑
摘要:E. Unique Array You are given an integer array a of length n. A subarray of a is one of its contiguous subsequences (i. e. an array $[a_l, a_{l+ 阅读全文
posted @ 2024-05-08 21:17 onlyblues 阅读(42) 评论(0) 推荐(0) 编辑
摘要:G - Mediator Problem Statement Beware the special input format and the smaller memory limit than usual. There is an undirected graph with vertices $1, 阅读全文
posted @ 2024-05-06 21:04 onlyblues 阅读(6) 评论(0) 推荐(0) 编辑
摘要:G2. Division + LCP (hard version) This is the hard version of the problem. In this version lr. You are given a string s. For a fixed k, cons 阅读全文
posted @ 2024-05-03 20:10 onlyblues 阅读(91) 评论(0) 推荐(0) 编辑
摘要:D2. Reverse Card (Hard Version) The two versions are different problems. You may want to read both versions. You can make hacks only if both versions 阅读全文
posted @ 2024-05-02 18:57 onlyblues 阅读(126) 评论(0) 推荐(0) 编辑

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