During the "Russian Code Cup" programming competition, the testing system stores all sent solutions for each participant. We know that many participants use random numbers in their programs and are often sent several solutions with the same sour…

Crash Time Limit: 1000MS   Memory Limit: 262144KB   64bit IO Format: %I64d & %I64u Submit Status Description During the "Russian Code Cup" programming competition, the testing system stores all sent solutions for each participant. We know th…

time limit per test2.5 seconds memory limit per test256 megabytes inputstandard input outputstandard output One tradition of welcoming the New Year is launching fireworks into the sky. Usually a launched firework flies vertically upward for some peri…

本文来自于腾讯Bugly公众号(weixinBugly),未经作者同意,请勿转载,原文地址:https://mp.weixin.qq.com/s/hnwj24xqrtOhcjEt_TaQ9w 作者:张三华 导语 精神哥最近发现, 很多开发者在 iOS10 上遇到了一类堆栈为nano_free字样的Crash,也有很多人向我们Bugly客服反馈遇到了这类问题,但并没有好的解决方案.正当大家都束手无策的时候,微信强大的技术团队针对这类Crash进行了深度研究,并提出了一个解决方案.原来微信也遇到了这…

升级 iOS 10 之后目测坑还是挺多的,记录一下吧,看看到时候会不会成为一个系列. 直入正题吧 今天用一个项目小小练下手,发现调用相机,崩了.试试看调用相册,又特么崩了.然后看到控制台输出了以下信息:This app has crashed because it attempted to access privacy-sensitive data without a usage description. The app's Info.plist must contain an NSPhotoL…

上一次我们拿学校的URP做了个小小的demo.... 其实我们还可以把每个学生的证件照爬下来做成一个证件照校花校草评比 另外也可以写一个物理实验自动选课... 但是出于多种原因,,还是绕开这些敏感话题.. 今天,我们来扒一下cf的题面! PS:本代码不是我原创 1. 必要的分析 1.1 页面的获取 一般情况CF的每一个 contest 是这样的: 对应的URL是:http://codeforces.com/contest/xxx 还有一个Complete problemset页面,它是这样的:…

2154: Crash的数字表格 Time Limit: 20 Sec  Memory Limit: 259 MBSubmit: 2924  Solved: 1091[Submit][Status][Discuss] Description 今天的数学课上,Crash小朋友学习了最小公倍数(Least Common Multiple).对于两个正整数a和b,LCM(a, b)表示能同时被a和b整除的最小正整数.例如,LCM(6, 8) = 24.回到家后,Crash还在想着课上学的东西,为了研究…

http://codeforces.com/contest/738/problem/D Galya is playing one-dimensional Sea Battle on a 1 × n grid. In this game a ships are placed on the grid. Each of the ships consists of bconsecutive cells. No cell can be part of two ships, however, the shi…

http://codeforces.com/contest/738/problem/C Vasya is currently at a car rental service, and he wants to reach cinema. The film he has bought a ticket for starts in t minutes. There is a straight road of length s from the service to the cinema. Let's…

http://codeforces.com/contest/738/problem/A Polycarp has interviewed Oleg and has written the interview down without punctuation marks and spaces to save time. Thus, the interview is now a string s consisting of n lowercase English letters. There is…