给定一个字符串,每天可以记忆三个字符,求书写出整个字符串的天数. 每次确定要记忆的三个字母,并向后寻找,若有非三个字母其中一个,则重新开启一天记忆三个字母. #include<cstdio> #include<iostream> using namespace std; int t; string s; int main(){ scanf("%d",&t); while(t--){ cin>>s; char a='0',b='0',c='0'…
CF首次推出div3给我这种辣鸡做,当然得写份博客纪念下 A. Wrong Subtraction time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little girl Tanya is learning how to decrease a number by one, but she does it wrong with a…
原文作者:Gustavo Duarte 原文地址:http://duartes.org/gustavo/blog/post/what-your-computer-does-while-you-wait Page Cache, the Affair Between Memory and Files 工作于内存和文件之间的页缓存 Previously we looked at how the kernel manages virtual memory for a user process, but…
Previously we looked at how the kernel manages virtual memory for a user process, but files and I/O were left out. This post covers the important and often misunderstood relationship between files and memory and its consequences for performance. Two…
BACKGROUND OF THE INVENTION Conventional NAND Flash memories move data in the background to write over an entire span uniformly. The background data movement is called wear leveling. A process performing the background data movement is often referred…
http://hi.baidu.com/pengkuny/item/c8070b388d75d481b611db7a 以前以为 shared memory 是一个万能的 L1 cache,速度很快,只要数据的 size 够小,能够放到 shared memory,剩下的事情我就不用操心啦.实际上不是这样,bank conflict 是一个绕不过去的问题,否则,性能会降得很低,很低,很低... ----------------------------------------------------…
Problem - A Tomorrow is a difficult day for Polycarp: he has to attend \(a\) lectures and \(b\) practical classes at the university! Since Polycarp is a diligent student, he is going to attend all of them. While preparing for the university, Polycarp…
D. Divide by three, multiply by two time limit per test 1 second memory limit per test 256 megabytes input:standard input output:standard output Polycarp likes to play with numbers. He takes some integer number x, writes it down on the board, and the…
手速场2333,这群人贼牛逼!手速贼快!   A. Wrong Subtraction time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little girl Tanya is learning how to decrease a number by one, but she does it wrong with a numbe…
Introduction Log files are files that contain messages about the system, including the kernel, services, and applications running on it. There are different log files for different information. For example, there is a default system log file, a log f…