题解，谁来翻译

#define __ main
#define ___ using
#define ____ namespace
#define _____ std
#define ______ ;
#define _______ (
#define ________ {
#define _________ cin
#define __________ >>
#define ___________ n
#define ____________ if
#define _____________ )
#define ______________ <
#define _______________ 100
#define ________________ cout
#define _________________ <<
#define __________________ " "
#define ___________________ else
#define ____________________ >=
#define _____________________ &&
#define ______________________ 200
#define _______________________ "20"
#define ________________________ 300
#define _________________________ "50"
#define __________________________ "100"
#define ___________________________ return
#define ____________________________ 0
#define _____________________________ }
#include<bits/stdc++.h>
___ ____ _____ ______ _ __ _______ _____________ ________ _ ___________ ______ _________ __________ ___________ ______ ____________ _______ ___________ ______________ _______________ _____________ ________________ _________________ __________________ ______ ___________________ ____________ _______ ___________ ____________________ _______________ _____________________ ___________ ______________ ______________________ _____________ ________________ _________________ _______________________ ______ ___________________ ____________ _______ ___________ ____________________ ______________________ _____________________ ___________ ______________ ________________________ _____________ ________________ _________________ _________________________ ______ ___________________  ________________ _________________ __________________________ ______ ___________________________ ____________________________ ______ _____________________________