A Simple Problem with Integers Time Limit:5000MS   Memory Limit:131072K Case Time Limit:2000MS Description 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…
A Simple Problem with Integers Time Limit: 5000MS   Memory Limit: 131072K Total Submissions: 83822   Accepted: 25942 Case Time Limit: 2000MS Description You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of…
解题报告 题意: 略 思路: 线段树成段更新,区间求和. #include <iostream> #include <cstring> #include <cstdio> #define LL long long #define int_now int l,int r,int root using namespace std; LL sum[500000],lazy[500000]; void push_up(int root,int l,int r) { sum[ro…
Description 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 number in a given interval. The other is to ask for the sum of numbers in a given interval. In…
题目链接:http://poj.org/problem?id=3468 题意就是给你一组数据,成段累加,成段查询. 很久之前做的,复习了一下成段更新,就是在单点更新基础上多了一个懒惰标记变量.updata的时候刚好在(l==T[p].l && r==T[p].r)的时候不更新下去,暂时用一个懒惰变量存了起来(所以才懒惰),不然继续更新下去复杂度会很高.在query的时候更新到下一层(看代码,多打打就有体会了). #include <iostream> #include <…
2018 ACM 国际大学生程序设计竞赛上海大都会赛重现赛 H - A Simple Problem with Integers (线段树,循环节) 链接:https://ac.nowcoder.com/acm/contest/163/H 来源:牛客网 链接:https://ac.nowcoder.com/acm/contest/163/H来源:牛客网 时间限制:C/C++ 2秒,其他语言4秒 空间限制:C/C++ 262144K,其他语言524288K 64bit IO Format: %ll…
A Simple Problem with Integers [题目链接]A Simple Problem with Integers [题目类型]线段树 成段增减+区间求和 &题解: 线段树 成段增减+区间求和 模板题 这种题真的应该理解并且可以流畅的独立码出来了 [时间复杂度]\(O(nlogn)\) &代码: #include <iostream> #include <cstdio> #include <cstring> using namespa…
A Simple Problem with Integers Time Limit: 5000MS   Memory Limit: 131072K Total Submissions: 92127   Accepted: 28671 Case Time Limit: 2000MS 描述 You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of operatio…
A Simple Problem with Integers Time Limit: 5000MS Memory Limit: 131072K Total Submissions: 53169 Accepted: 15897 Case Time Limit: 2000MS Description You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of ope…
A Simple Problem with Integers Description 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 number in a given interval. The other is to ask for the sum of…