随笔分类 - 数据结构 线段树
摘要：E. Editor The development of a text editor is a hard problem. You need to implement an extra module for brackets coloring in text. Your editor consist
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摘要：题目 4990: [Usaco2017 Feb]Why Did the Cow Cross the Road II 链接 http://www.lydsy.com/JudgeOnline/problem.php?id=4990 题面 上下有两个长度为n、位置对应的序列A、B， 其中数的范围均为1~n
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摘要：B. Legacy 题目连接： http://codeforces.com/contest/786/problem/B Description Rick and his co workers have made a new radioactive formula and a lot of bad g
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摘要：F. Souvenirs 题目连接： http://codeforces.com/contest/765/problem/F Description Artsem is on vacation and wants to buy souvenirs for his two teammates. The
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摘要：C. Drazil and Park 题目连接： http://codeforces.com/contest/516/problem/C Description Drazil is a monkey. He lives in a circular park. There are n trees ar
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摘要：Block Art 题目连接： https://www.hackerrank.com/contests/ieeextreme challenges/challenges/block art Description The NeoCubist artistic movement has a very
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摘要：E. Sasha and Array 题目连接： http://codeforces.com/contest/719/problem/E Description Sasha has an array of integers a1, a2, ..., an. You have to perform m
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摘要：E. Memory and Casinos 题目连接： http://codeforces.com/contest/712/problem/E Description There are n casinos lined in a row. If Memory plays at casino i, h
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摘要：E. A Simple Task 题目连接： http://www.codeforces.com/contest/558/problem/E Description This task is very simple. Given a string S of length n and q querie
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摘要：Rikka with Sequence 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5828 Description As we know, Rikka is poor at math. Yuta is worrying about this si
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摘要：Rikka with Parenthesis II 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5831 Description As we know, Rikka is poor at math. Yuta is worrying about t
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摘要：The All purpose Zero 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5773 Description ?? gets an sequence S with n intergers(0 define rep(a,b,c) for(i
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摘要：D. Developing Game 题目连接： http://www.codeforces.com/contest/377/problem/D Description Pavel is going to make a game of his dream. However, he knows tha
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摘要：B. Preparing for the Contest 题目连接： http://codeforces.com/contest/377/problem/B Description Soon there will be held the world's largest programming con
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摘要：区间交 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5700 Description 小A有一个含有n个非负整数的数列与m个区间。每个区间可以表示为li,ri。 它想选择其中k个区间， 使得这些区间的交的那些位置所对应的数的和最大。 例如样例中，选
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摘要：Snacks 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5692 Description 百度科技园内有n个零食机，零食机之间通过n−1条路相互连通。每个零食机都有一个值v，表示为小度熊提供零食的价值。 由于零食被频繁的消耗和补充，零食机的价值v
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摘要：E. Trains and Statistic 题目连接： http://www.codeforces.com/contest/675/problem/E Description Vasya commutes by train every day. There are n train station
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摘要：1299 : 打折机票 题目连接： http://hihocoder.com/problemset/problem/1299 Description 因为思念新宿的"小姐姐"们，岛娘计划6月份再去一趟东京，不过这次看来她需要自掏腰包。经过了几天的夜战，岛娘终于在体力耗尽之前，用Python抓下了所有
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摘要：4408: [Fjoi 2016]神秘数 题目连接： http://www.lydsy.com/JudgeOnline/problem.php?id=4408 Description 一个可重复数字集合S的神秘数定义为最小的不能被S的子集的和表示的正整数。例如S={1,1,1,4,13}， 1 =
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摘要：卿学姐种花 题目连接： http://acm.uestc.edu.cn/ /problem/show/1292 Description 众所周知，在喵哈哈村，有一个温柔善良的卿学姐。 卿学姐喜欢和她一样美丽的花。所以卿学姐家的后院有很多的花坛。 卿学姐有个花坛，一开始第个花坛里有$A[i
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