变态hello word（带注释）

#define _________ }
#define ________ putchar
#define _______ int main
#define _(a) ________(a);
#define ______ _______(){
#define __ ______ _(0x48)_(0x65)_(0x6C)_(0x6C)
#define ___ _(0x6F)_(0x2C)_(0x20)_(0x77)_(0x6F)
#define ____ _(0x72)_(0x6C)_(0x64)_(0x21)
#define _____ __ ___ ____ _________
#include<stdio.h>

#define _PRINT(X) #X
#define PRINT(X) _PRINT(X)

_____

/*
//输出宏展开后的结果
int main()
{
    printf(PRINT(_____));
}
*/

/*
int main(){
putchar(0x48);
putchar(0x65);
putchar(0x6C);
putchar(0x6C);
putchar(0x6F);
putchar(0x2C);
putchar(0x20);
putchar(0x77);
putchar(0x6F);
putchar(0x72);
putchar(0x6C);
putchar(0x64);
putchar(0x21);
}请按任意键继续. . .
*/