A Simple Problem with Integers 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 number in a given interval. The other i…

/* 线段树延迟更新+状态压缩 */ #include<stdio.h> #define N 1100000 struct node { int x,y,yanchi,sum; }a[N*4]; int lower[31]; void build(int t,int x,int y) { a[t].x=x; a[t].y=y; a[t].yanchi=0; if(x==y){ a[t].sum=lower[1]; return ; } int temp=t<<1; int mid=…

Wow! Such Sequence! Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 2067    Accepted Submission(s): 619 Problem Description Recently, Doge got a funny birthday present from his new friend, Prot…

Wow! Such Sequence! Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 2512    Accepted Submission(s): 751 Problem Description Recently, Doge got a funny birthday present from his new friend, Pro…

比赛时太大意,斐波拉契数列开小了. 题目大意:1个序列,3种操作,改变序列某个数大小,将序列中连续的一段每个数都变成其最近的斐波拉契数,以及查询序列中某一段的数之和. 解题思路:维护add[]数组表示线段树中每一段的需要改变到斐波拉契数的总和即可,color[]表示该段是否需要改变成斐波拉契,而当需要改变成斐波拉契数时,直接将sum+=add.其余便是线段树基础操作. #include <cstdio> #define T 1000005 #define N 100005 ],sum[T],a…

Tree http://poj.org/problem?id=3237 Time Limit: 5000MS   Memory Limit: 131072K Total Submissions: 12268   Accepted: 3159 Description You are given a tree with N nodes. The tree’s nodes are numbered 1 through N and its edges are numbered 1 through N −…

1690 开关灯  时间限制: 1 s  空间限制: 128000 KB   题目描述 Description YYX家门前的街上有N(2<=N<=100000)盏路灯,在晚上六点之前,这些路灯全是关着的,六点之后,会有M(2<=m<=100000)个人陆续按下开关,这些开关可以改变从第i盏灯到第j盏灯的状态,现在YYX想知道,从第x盏灯到第y盏灯中有多少是亮着的(1<=i,j,x,y<=N) 输入描述 Input Description 第 1 行: 用空格隔开的两个…

Wow! Such Sequence! Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 3354    Accepted Submission(s): 966 Problem Description Recently, Doge got a funny birthday present from his new friend, Prot…

Jiu Yuan Wants to Eat https://nanti.jisuanke.com/t/31714 You ye Jiu yuan is the daughter of the Great GOD Emancipator. And when she becomes an adult, she will be queen of Tusikur, so she wanted to travel the world while she was still young. In a coun…

2216 行星序列  时间限制: 2 s  空间限制: 256000 KB     题目描述 Description “神州“载人飞船的发射成功让小可可非常激动,他立志长大后要成为一名宇航员假期一始,他就报名参加了“小小宇航员夏令营”,在这里小可可不仅学到了丰富的宇航知识,还参与解决了一些模拟飞行中发现的问题,今天指导老师交给他一个任务,在这次模拟飞行的路线上有N个行星,暂且称它们为一个行星序列,并将他们从1至n标号,在宇宙未知力量的作用下这N个行星的质量是不断变化的,所以他们对飞船产生的引力也…