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题目题目描述 原题来自：AHOI 2009 老师交给小可可一个维护数列的任务，现在小可可希望你来帮他完成。 有长为 n 的数列，不妨设为 a1,a2,⋯ ,ana_1,a_2,\cdots ,a_na1,a2,⋯,an。有如下三种操作形式： 把数列中的一段数全部乘一个值； 把数列中的一段数全部 阅读全文
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题目 You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of operation is to add some given number to each num 阅读全文
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题目There are several ancient Greek texts that contain descriptions of the fabled island Atlantis. Some of these texts even include maps of parts of the 阅读全文
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题目 You are given a sequence A[1], A[2], ..., A[N] . ( |A[i]| <= 10000 , 1 <= N <= 10000 ). A query is defined as follows: Query(x1,y1,x2,y2) = Max { A 阅读全文
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题目 You are given a sequence A of N (N <= 50000) integers between -10000 and 10000. On this sequence you have to apply M (M <= 50000) operations: modif 阅读全文
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题目 You are given a sequence A[1], A[2], ..., A[N] . ( |A[i]| ≤ 15007 , 1 ≤ N ≤ 50000 ). A query is defined as follows: Query(x,y) = Max { a[i]+a[i+1]+ 阅读全文