《嘿嘿嘿》的代码

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#include <stdio.h>
#define ToString(a)#a      "oh~天啦！"
#define VAR(b) num##b
#define ToChar(c) #@c
#define PR(fmt,val) printf(#val "=%"#fmt "\t",(val));
#define ENTER putchar(10);
#ifdef __cplusplus //判断是不是c++文件
//#error 亲，请使用c++文件哦！
#endif // __cplusplus //判断是不是c++文件

int main()
{
	printf("%d %s\n",123,ToString(123));
	printf("%d %d %s",1,2,"a" "我晕死了!\0" "666");
	//请赐予我一下些变量吧！
	int VAR(First) = 1;
	int VAR(Tail) = 2;
	int VAR(Cur) = 3;
	printf("\n%d %d %d\n",numFirst,numTail,numCur);
	putchar(97);
	putchar(ToChar(97));
        PR(d,5);
        ENTER;
        PR(c,97);
        ENTER;
        PR(s,"string");
        ENTER;
        PR(#x,"hello world!");
	return 0;
}

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```city.h```：
"咸阳",
"西安",
"陕西"
```city.c```:
#include <stdio.h>
#include <string.h>
static char city_name[][20] = { 
    #include "city.h" //用gcc -E 宏展开run看看就是city.h文件的数据 
};
int main()
{
    {
        for(int i = 0;i < 3;i++)
        printf("%s\n",city_name[i]);
    }
    
}

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//滥用宏定义
#define BEGIN {
#define END }
#define qwq 0

#include <iostream>
using namespace std;
int shuzu()
{
    int a[10] = {0,2,4,6,8};
    printf("a[1] == %d\n",1[a]);
    printf("a<:1:> == %d\n",a<:1:>);
    printf("2<:a:>%d\n",2<:a:>);
    printf("sizeof 也是关键字\na_szie=%d\n:",sizeof a);
}
int add(int a,int b)
<%
    if(!a)return b;
    return add((a & b) << 1,a ^ b);
%>
int main()
BEGIN
    int n;cin >> n;
    int sum = qwq;
    int i = n;
    shuzu();
    int x = 10;
    cout << "x:" <<(x--> 0) << endl;
    //逼近
    while(x --> 0)
    {
        cout << x << endl;
    }
    code:
        sum = add(sum,i);
    if(i --> qwq)goto code;
    cout << sum << '\n';
    return qwq;
END

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#include <iostream>
#define fasle 1
#define true 0
using namespace std;

struct ZDJD
{
    bool O(bool x)
    {
        return x ? true : false;
    }
}o;

int main()
{
    int a[] ={1,2,3,4,5};
    int ans = 0;
    for(int i = 0;i < 5;i++)
    {
       if(o.O((i - 1)[a + 1] % 2 == 0)) 
       {
            ans -= 0xffffffff;//-1
            cout << ans << "\n";
       }
        
    }
    return 0;
}

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#include <iostream>
using namespace std;

void encode(int x);
void encode2(int x);
int main()
{
    int x1 =1,x2 =x1,x3=x2,x4 = x3;

    x1 <<= 1; //x *= 2;
    x2 >>= 1; //x /= 2;
    x3 = (x3 << 1)+ (x3 << 3);//x *= 10;
    for(int i = 0;i < 8;i++)
    {
        x4 <<= i;
        cout << x4 << endl;
    }
    cout << x1  << "\n";
    cout << x2 << "\n";
    cout << x3 << "\n";
    cout << "\n" <<endl;
    //swap var
    int a = 5,b = 3;
    //异或(^) 俩1为0,单1为1,双零为0
    a^=b,encode2(a),encode2(b);//a:110 = a:011 ^ b:101 a:6
    cout << "a:" <<a <<"\n"<< "b:" <<b <<"\n" << endl;
    b^=a,encode2(a),encode2(b);//b:101 = a:110 ^ b:011 b:5
    cout << "a:" <<a <<"\n"<< "b:" <<b <<"\n" << endl;
    a^=b,encode2(a),encode2(b);//a:011 = a:110 ^ b:101 a:3
    cout << "a:" <<a <<"\n"<< "b:" <<b <<"\n" << endl;
    //异或替换不等号
    if(int c=(a ^ b))cout << "不相等" << c << '\n';
    else cout << "相等" << '\n';
    //异或字符
    int x = 6;
    char ch = x ^ 48;
    cout << ch << '\n';
    int y = ch ^ 48;//y = ch - '0';
    cout << y << '\n';
    return 0;
}
#if 0
void encode(int n)
{
    for (int i = 8; i >= 0; i--)
    {
        if((n>>i)&1)
        {
            printf("1");
        }
        else
        {
            printf("0");
        }
    }
    printf("\n");
    
}
#endif
void encode2(int x)
{
    for(int i=7;i >=0;--i){cout<< ((x>>i)&i) <<"";}
    cout << '\n';
}

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源代码:#include <stdio.h>
#include <iostream>
#define false 1
#define true 0
#define _ int
#define __ i
#define ___ 0
#define ____ false
#define ______ main()
#define _______ {
#define ________ } 
#define L <<
#define R >>
#define NL putchar(10);
#define public int
using namespace std;

_ ______
_______
    _ IlIlIlIlIlIlIlIlIlIlIlIlIlIlIlIlIl;cin >> IlIlIlIlIlIlIlIlIlIlIlIlIlIlIlIlIl;
    _ IlIlIlIlIlIlIlIlIlIl = ___;
    for (_ __ = ____; __ < IlIlIlIlIlIlIlIlIlIlIlIlIlIlIlIlIl / __; __ += false)
    _______
        if(IlIlIlIlIlIlIlIlIlIlIlIlIlIlIlIlIl % __ == ___)
        {
            IlIlIlIlIlIlIlIlIlIl += false;
            if(i != IlIlIlIlIlIlIlIlIlIlIlIlIlIlIlIlIl / __)IlIlIlIlIlIlIlIlIlIl += false;
        }
    ________
    cout L IlIlIlIlIlIlIlIlIlIl L NL;
________

[multisim异或门实现](https://img-blog.csdnimg.cn/20200507092455945.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQyMjk1MTI1,size_16,color_FFFFFF,t_70#pic_center) 2023-08-14 13:02