随笔分类 - Codeforce
摘要：time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given an array aa consisting of
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摘要：D1. Great Vova Wall (Version 1) time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output D1. Grea
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摘要：Let's call an undirected graph G=(V,E)G=(V,E) relatively prime if and only if for each edge (v,u)∈E(v,u)∈E GCD(v,u)=1GCD(v,u)=1 (the greatest common d
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摘要：time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output time limit per test 2 seconds time limit
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摘要：Some company is going to hold a fair in Byteland. There are nn towns in Byteland and mm two-way roads between towns. Of course, you can reach any town
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摘要：You are given kk sequences of integers. The length of the ii-th sequence equals to nini. You have to choose exactly two sequences ii and jj (i≠ji≠j) s
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摘要：time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output time limit per test 1 second time limit p
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摘要：Kuro is living in a country called Uberland, consisting of nn towns, numbered from 11 to nn, and n−1n−1 bidirectional roads connecting these towns. It
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摘要：You are given several queries. Each query consists of three integers pp, qq and bb. You need to answer whether the result of p/qp/q in notation with b
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摘要：time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output time limit per test 1 second time limit p
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摘要：time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output time limit per test 1 second time limit p
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摘要：time limit per test 1.5 seconds memory limit per test 256 megabytes input standard input output standard output time limit per test 1.5 seconds time l
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摘要：C. Valhalla Siege time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output C. Valhalla Siege time
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摘要：In Aramic language words can only represent objects. Words in Aramic have special properties: A word is a root if it does not contain the same letter
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摘要：output standard output output standard output output The weather is fine today and hence it's high time to climb the nearby pine and enjoy the landsca
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摘要：output standard output output standard output output Attention: we lost all the test cases for this problem, so instead of solving the problem, we nee
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摘要：B. Divisiblity of Differences time limit per test 1 second memory limit per test 512 megabytes input standard input output standard output B. Divisibl
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摘要：很裸的一个DFS，但因为细节wa了10发才过。果然我还是太弱了。。
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摘要：一开始想复杂了。 其实很简单。就挨着扫一遍，每次优先排数量大的，然后交替排就好了
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