随笔分类 - OJ Codeforces
摘要：D. Distance in Tree time limit per test 3 seconds memory limit per test 512 megabytes input standard input output standard output A tree is a connecte
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摘要：B. Working out time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Summer is coming! It's ti
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摘要：F. Asya And Kittens time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output F. Asya And Kittens
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摘要：C. Birthday time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output C. Birthday time limit per te
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摘要：B. Draw! time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output B. Draw! time limit per test 2
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摘要：A. Sea Battle time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Sea Battle time limit pe
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摘要：D. Game with modulo time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output This is an interactiv
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摘要：J. Rising Sun time limit per test 1.0 s memory limit per test 1024 MB input standard input output standard output Joon has a midterm exam tomorrow, bu
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摘要：D. Sum in the tree time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Mitya has a rooted tr
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摘要：C. Postcard time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Andrey received a postcard fr
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摘要：B. Squares and Segments time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little Sofia is i
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摘要：A. Snowball time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Today's morning was exception
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摘要：C. Ancient Berland Circus time limit per test 2 seconds memory limit per test 64 megabytes input standard input output standard output Nowadays all ci
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摘要：D. Maximum Diameter Graph time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output D. Maximum Dia
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摘要：C. Multi-Subject Competition time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output C. Multi-Su
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摘要：B. Vova and Trophies time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output B. Vova and Trophie
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摘要：A. Vasya and Book time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Vasya and Book time
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摘要：D. Array Restoration 这题想一下就会发现是只要两个相同的数之间没有比它小的就可以，就是保存一下数第一次出现和最后一次出现的位置，然后查询一下这个区间就可以，如果有0的话就进行填充。 这个题我是用RMQ(ST)进行查询的，在初始化的时候，如果有0就把0变成2e5+1，因为数据最大2
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摘要：C. Bracket Subsequence 。。。 代码:
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摘要：B. Pair of Toys 智障题目(嘤嘤嘤~) 代码:
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