Alice and Hairdresser
Alice's hair is growing by leaps and bounds. Maybe the cause of it is the excess of vitamins, or maybe it is some black magic...
To prevent this, Alice decided to go to the hairdresser. She wants for her hair length to be at most ll centimeters after haircut, where ll is her favorite number. Suppose, that the Alice's head is a straight line on which nn hairlines grow. Let's number them from 11 to nn. With one swing of the scissors the hairdresser can shorten all hairlines on any segment to the length ll, given that all hairlines on that segment had length strictly greater than ll. The hairdresser wants to complete his job as fast as possible, so he will make the least possible number of swings of scissors, since each swing of scissors takes one second.
Alice hasn't decided yet when she would go to the hairdresser, so she asked you to calculate how much time the haircut would take depending on the time she would go to the hairdresser. In particular, you need to process queries of two types:
- 00 — Alice asks how much time the haircut would take if she would go to the hairdresser now.
- 11 pp dd — pp-th hairline grows by dd centimeters.
Note, that in the request 00 Alice is interested in hypothetical scenario of taking a haircut now, so no hairlines change their length.
The first line contains three integers nn, mm and ll (1≤n,m≤1000001≤n,m≤100000, 1≤l≤1091≤l≤109) — the number of hairlines, the number of requests and the favorite number of Alice.
The second line contains nn integers aiai (1≤ai≤1091≤ai≤109) — the initial lengths of all hairlines of Alice.
Each of the following mm lines contains a request in the format described in the statement.
The request description starts with an integer titi. If ti=0ti=0, then you need to find the time the haircut would take. Otherwise, ti=1ti=1 and in this moment one hairline grows. The rest of the line than contains two more integers: pipi and didi (1≤pi≤n1≤pi≤n, 1≤di≤1091≤di≤109) — the number of the hairline and the length it grows by.
For each query of type 00 print the time the haircut would take.
4 7 3
1 2 3 4
0
1 2 3
0
1 1 3
0
1 3 1
0
1
2
2
1
Consider the first example:
- Initially lengths of hairlines are equal to 1,2,3,41,2,3,4 and only 44-th hairline is longer l=3l=3, and hairdresser can cut it in 11 second.
- Then Alice's second hairline grows, the lengths of hairlines are now equal to 1,5,3,41,5,3,4
- Now haircut takes two seonds: two swings are required: for the 44-th hairline and for the 22-nd.
- Then Alice's first hairline grows, the lengths of hairlines are now equal to 4,5,3,44,5,3,4
- The haircut still takes two seconds: with one swing hairdresser can cut 44-th hairline and with one more swing cut the segment from 11-st to 22-nd hairline.
- Then Alice's third hairline grows, the lengths of hairlines are now equal to 4,5,4,44,5,4,4
- Now haircut takes only one second: with one swing it is possible to cut the segment from 11-st hairline to the 44-th.
模拟:
#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <set>
#include <queue>
#include <map>
#include <sstream>
#include <cstdio>
#include <cstring>
#include <numeric>
#include <cmath>
#include <unordered_set>
#include <unordered_map>
//#include <xfunctional>
#define ll long long
#define mod 998244353
using namespace std;
int dir[][] = { {,},{,-},{-,},{,} };
const long long inf = 0x7f7f7f7f7f7f7f7f;
const int INT = 0x3f3f3f3f; int main()
{
int n, m, l, ans = ;
cin >> n >> m >> l;
vector<int> a(n + );
for (int i = ; i <= n; i++)
{
cin >> a[i];
if (a[i] > l && (i + > n || a[i + ] <= l) && (i - < || a[i - ] <= l))
ans++;
}
while (m--)
{
int t;
cin >> t;
if (t)
{
int p, d;
cin >> p >> d;
if (a[p] <= l)
{
a[p] += d;
if (a[p] > l && (p + > n || a[p + ] <= l) && (p - < || a[p - ] <= l))
{
ans++;
}
if (a[p] > l && p + <= n && a[p + ] > l && p - >= && a[p - ] > l)
ans--;
}
}
else
{
cout << ans << endl;
}
}
return ;
}
Alice and Hairdresser的更多相关文章
- 【Mail.Ru Cup 2018 Round 2 B】 Alice and Hairdresser
[链接] 我是链接,点我呀:) [题意] [题解] 因为只会增加. 所以. 一开始暴力算出来初始答案 每次改变一个点的话. 就只需要看看和他相邻的数字的值就好. 看看他们是不是大于l 分情况增加.减少 ...
- Mail.Ru Cup 2018 Round 2 B. Alice and Hairdresser (bitset<> or 其他)
传送门 题意: 给出你序列 a,在序列 a 上执行两种操作: ① 0 :查询有多少连续的片段[L,...,R],满足 a[L,...,R] > l: ② 1 p d :将第 p 个数增加 d: ...
- Mail.Ru Cup 2018 Round 2 Solution
A. Metro Solved. 题意: 有两条铁轨,都是单向的,一条是从左往右,一条是从右往左,Bob要从第一条轨道的第一个位置出发,Alice的位置处于第s个位置,有火车会行驶在铁轨上,一共有n个 ...
- (HDU 5558) 2015ACM/ICPC亚洲区合肥站---Alice's Classified Message(后缀数组)
题目链接 http://acm.hdu.edu.cn/showproblem.php?pid=5558 Problem Description Alice wants to send a classi ...
- 2016中国大学生程序设计竞赛 - 网络选拔赛 J. Alice and Bob
Alice and Bob Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) ...
- bzoj4730: Alice和Bob又在玩游戏
Description Alice和Bob在玩游戏.有n个节点,m条边(0<=m<=n-1),构成若干棵有根树,每棵树的根节点是该连通块内编号最 小的点.Alice和Bob轮流操作,每回合 ...
- Alice and Bob(2013年山东省第四届ACM大学生程序设计竞赛)
Alice and Bob Time Limit: 1000ms Memory limit: 65536K 题目描述 Alice and Bob like playing games very m ...
- 阿里前端框架Alice是个不错的选择
BootStrap虽然用户群体广大,其整体风格尽管有不少skin可选,但以国情来看还是不好看. 阿里开源的前端框架,个人觉得还是很不错,Alice处处透着支付宝中界面风格的气息,电商感挺强. 以下内容 ...
- poj 1698 Alice‘s Chance
poj 1698 Alice's Chance 题目地址: http://poj.org/problem?id=1698 题意: 演员Alice ,面对n场电影,每场电影拍摄持续w周,每周特定几天拍 ...
随机推荐
- C#实现把String字符串转化为SQL语句中的In后接的参数
实现把String字符串转化为In后可用参数代码: public string StringToList(string aa) { string bb1 = "("; if (!s ...
- 使用vscode阅读C代码outline不显示问题
1 问题:使用vscode code 阅读C代码 outline 显示No symbols found in document 'xxxx' 2 参考网上解决方法,进行如下操作 2.1 安装C/C+ ...
- Sql Server 2008 【存储过程】 死锁 查询和杀死
1 . 使用数据库中,可能出现死锁, 导致程序 无法正常使用. Create procedure [dbo].[sp_who_lock] ( @bKillPID Bit=0 -- 0: 查询 1: 结 ...
- 软考复习之UML设计篇
UML统一建模语言 构件图:描述系统的物理结构,它可以用来显示程序代码如何分解成模块 部署图:描述系统中硬件和软件的物理结构,它描述构成系统架构的软件构件,处理器和设备 用例图:描述系统与外部系统及用 ...
- 破局AI落地难,数据标注行业需率先变革丨曼孚科技
2019年,国内人工智能领域的投融资热情大幅降低,相当数量的AI企业彻底消失在了历史的长河中,“人工智能寒潮已至”甚至成为行业年度热词. 与前几年创业与投资热情齐头并进的盛况相比,近段时间的AI行业 ...
- linux版本的jdk1.8+hadoop2.9.2下载地址
hadoop: 链接:https://pan.baidu.com/s/14AhhPYP8933tn-EfSX-i8Q 提取码:e90m jdk1.8: 链接:https://pan.baidu.com ...
- TypeScript(进行中)
https://ts.xcatliu.com 简介 什么是 TypeScript 即使不显式的定义类型,也能够自动做出类型推论 即使第三方库不是用 TypeScript 写的,也可以编写单独的类型文件 ...
- Scout YYF I POJ - 3744【矩阵乘法优化求概率】
题意: 一条路上有 $n$ 个地雷,YYF 从位置 $1$ 出发,走一步的概率为 $p$,走两步的概率是 $(1-p)$.求 YYF 能顺利通过这条路的概率. 数据范围: $1\leq n \leq ...
- MyBatis mapper文件中使用常量
MyBatis mapper文件中使用常量 Java 开发中会经常写一些静态常量和静态方法,但是我们在写sql语句的时候会经常用到判断是否等于 //静态类 public class CommonCod ...
- java学习笔记之IO编程—字节流和字符流
1. 流的基本概念 在java.io包里面File类是唯一一个与文件本身有关的程序处理类,但是File只能够操作文件本身而不能操作文件的内容,或者说在实际的开发之中IO操作的核心意义在于:输入与输出操 ...