题意 看一部电影,从第一分钟开始看,你每次可以按下快进键,快进x分钟,电影有n个精彩片段,问看到所有精彩片段至少需要看多少分钟电影.(数据保证能看到所有精彩片段) 我们可以发现答案其实 就是间隔时间%x+精彩片段时间 拿第一个样例 1 2 3 4 5 6 7 8 9 10 11 12 5 6 10 11 12这三分钟一定要选,我们在第1分钟可以跳过到达第4分钟(1,2,3跳过了),在第6分钟结束时跳到第10分钟答案就是6分钟. 那么可以写出公式 ans+=(l[i]-r[i-1]-1)%x; a…

C. Watching Fireworks is Fun time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output A festival will be held in a town's main street. There are n sections in the main street. The sections are numb…

http://codeforces.com/contest/373/problem/E E. Watching Fireworks is Fun time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output A festival will be held in a town's main street. There are n sectio…

6656 Watching the KangarooDay by day number of Kangaroos is decreasing just liketiger, whale or lions. So I decided to make them a sanctuarywhere they will live peacefully. I do not let visitors gonear them. So I planted some display screen outside t…

题目链接:10339 - Watching Watches 题意:两个时钟,一个每天慢a秒,一个每天慢b秒,问两钟重新相遇的时刻 1圈有12 * 60 * 60秒,然后1圈 / abs(a - b),就可以求出多少天会相遇,然后就能求出A钟一共慢了多少秒,进而可以求出该时刻的时和分! 下面给出AC代码: #include <bits/stdc++.h> using namespace std; int k,m; int main() { while(~scanf("%d%d"…

运行reactnative项目时在编译过程中报错 Error watching file for changes: EMFILE 故障原因: 是升级后watchman不可用了,需要重装watchman. 解决方案 第一种解决方案是打开终端后依次键入以下命令: 1.卸载原来安装的watchman: brew uninstall --force watchman 2.删除原来的安装文件: rm -rf /usr/local/var/run/watchman/ 3.重新安装watchman: brew…

We spend a full five hours and 16 minutes a day in front of a screen, and that's without even turning on a television. So says a statistic from eMarketer, a research firm that focuses on digital media and marketing. It says that for the first time we…

A festival will be held in a town's main street. There are n sections in the main street. The sections are numbered 1 through n from left to right. The distance between each adjacent sections is 1. In the festival m fireworks will be launched. The i-…

Django项目运行时出现:Watching for file changes with StatReloader错误 原因:环境里的django或者python的版本有问题 解决方案:升级或者降级Django版本 1.直接安装需要的指定版本: pip install django==2.0 或者更新版本: pip install --upgrade *** 2.先卸载原来的版本再安装需要的版本: pip uninstall xxx pip install xxx…

C. Watching Fireworks is Fun 题目大意: 一个城镇有n个区域,从左到右1-n,每个区域之间距离1个单位距离.节日中有m个烟火要放,给定放的地点a[ i ].时间t[ i ] ,如果你当时在区域x,那么你可以获得b[ i ] - | a[ i ] - x |的happiness .你每个单位时间可以移动不超过d个单位距离,你的初始位置是任意的,求你通过移动能获取到的最大的happiness值. 我感觉很难,而且其实也不是特别熟悉单调队列,对于单调队列的运用也不是特别熟练…