// luogu-judger-enable-o2
include <cstdio>
//include <iostream>
include <cstring>
include <algorithm>
include <cmath>
define R(a,b,c) for(regist ......
CC always becomes very depressed at the end of this month, he has checked his credit card yesterday, without any surprise, there are only 99.9 yuan le ......
HDU3336Count the string
Problem Description
It is well known that AekdyCoin is good at string problems as well as number theory problems. When given a ......
http://acm.hdu.edu.cn/showproblem.php?pid=1686
Oulipo
Problem Description
The French author Georges Perec (1936–1982) once wrote a book, La disparitio ......