关于此题，窝纸乡硕，世界上，你与随便一个人的距离竟然不超过LONG_LONG_MAXkm，极其容易暴露隐私！！！
所以，关于此题
我们只能使出杀手锏

加密!!!

说到加密，我们回想起来与加密有关de东西应该是钥匙
这就得从钥匙的原理说起——

钥匙通过其独特的齿形结构与锁芯内部的弹子或叶片等部件精确匹配，使锁芯能够自由旋转，从而实现开锁。
也就是说，我们只要有钥匙(以下简称超级无敌霹雳旋风牛逼克拉斯毁灭世界de小钥匙密匙)，就可以做到加密。
因此我们要设计一种密匙，使得他人看不懂骗你的，你也看不懂。

我这里采用我们的下划线大跌设计密匙,然后取消行的存在......

暗文

________________ _________________ __________________ _____ _ ______ __ _____________ ____________________________ ___________ _____________________________ _____ _______ _________ ____________________________ _________ _____________________________ _____ _____________ ______________________________ ______________ ________________________ _____ ___________________ ______________________ ____________________________ __________________________ _____________________________ _______________________ __ _____________________ ______________________ _ _______________________________ ______________ ____________________________ ___________ ________________________________ ______________ _____________________________ _____ _______________________________ ___________________________ ________________________ _____ _______________________________ _______________ ___________ ________________________________ _______________ _______________________ __ ______________________________ ____________ _______________________________ _________________________ ________________________________ _____ ___ ___ ____________________ __ _____________________ ______________________ _ _______________________________ ______________ ____________________________ ___________ ________________________________ ______________ _____________________________ _____ ________________________________ ___________________________ ________________________ _____ _______________________________ _______________ ___________ ________________________________ _______________ _______________________ __ ______________________________ ____________ _______________________________ _________________________ ________________________________ _____ ___ ___ ________ __________ ______________________________ _____ ____ _____ ___

密匙

#include<iostream>
#define _ int
#define __ {
#define ___ }
#define ____ return 0
#define _____ ;
#define ______ main()
#define _______ cin
#define ________ cout
#define _________ >>
#define __________ <<
#define ___________ ,
#define ____________ +=
#define _____________ long long
#define ______________ =
#define _______________ --
#define ________________ using
#define _________________ namespace
#define __________________ std
#define ___________________ if
#define ____________________ else
#define _____________________ for
#define ______________________ (
#define _______________________ )
#define ________________________ 0
#define _________________________ *
#define __________________________ <=
#define ___________________________ >

代码

#include<iostream>
#define _ int
#define __ {
#define ___ }
#define ____ return 0
#define _____ ;
#define ______ main()
#define _______ cin
#define ________ cout
#define _________ >>
#define __________ <<
#define ___________ ,
#define ____________ +=
#define _____________ long long
#define ______________ =
#define _______________ --
#define ________________ using
#define _________________ namespace
#define __________________ std
#define ___________________ if
#define ____________________ else
#define _____________________ for
#define ______________________ (
#define _______________________ )
#define ________________________ 0
#define _________________________ *
#define __________________________ <=
#define ___________________________ >
________________ _________________ __________________ _____ _ ______ __ _____________ ____________________________ ___________ _____________________________ _____ _______ _________ ____________________________ _________ _____________________________ _____ _____________ ______________________________ ______________ ________________________ _____ ___________________ ______________________ ____________________________ __________________________ _____________________________ _______________________ __ _____________________ ______________________ _ _______________________________ ______________ ____________________________ ___________ ________________________________ ______________ _____________________________ _____ _______________________________ ___________________________ ________________________ _____ _______________________________ _______________ ___________ ________________________________ _______________ _______________________ __ ______________________________ ____________ _______________________________ _________________________ ________________________________ _____ ___ ___ ____________________ __ _____________________ ______________________ _ _______________________________ ______________ ____________________________ ___________ ________________________________ ______________ _____________________________ _____ ________________________________ ___________________________ ________________________ _____ _______________________________ _______________ ___________ ________________________________ _______________ _______________________ __ ______________________________ ____________ _______________________________ _________________________ ________________________________ _____ ___ ___ ________ __________ ______________________________ _____ ____ _____ ___

注:亲测可AC