神奇的代码系列（持续更新）

这里是神奇的代码系列，请欣赏：

注：所有代码都是他人的作品，在这里对他们表示由衷的感谢

反电子教室系统

#include <iostream>
#include <windows.h>
#include <string>
using namespace std;
void movexy(short x, short y)
{
    COORD position={x, y};
    HANDLE hOut=GetStdHandle(STD_OUTPUT_HANDLE);
    SetConsoleCursorPosition(hOut, position);
}
int main()
{
    movexy(50, 10);
                                                     cout<<"反电子教室系统"<<endl;
    cout<<"                                                             <v1.3>"<<endl;
    cout<<endl;
    cout<<"                                                         By Deadpool123"<<endl;
    cout<<"                                            目前可以反击:"<<endl;
    SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_RED);
    cout<<"                                    红蜘蛛多媒体网络教室 - 输入 k-rs即可反击"<<endl;
    SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 11);
    cout<<"                                            极域电子教室 - 输入 k-jy即可反击"<<endl;
    SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 12);
    cout<<"                                        伽卡他卡电子教室 - 输入 k-yk即可反击"<<endl;
    SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 2);
    cout<<"                                            传奇电子教室 - 输入 k-lg即可反击"<<endl;
    SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 7);
    cout<<"                                            更多反击工具即将更新......"<<endl;
    cout<<"                                            如果在开启本程序后关闭本程序，"<<endl;
    cout<<"                                                  本次反击将无效！"<<endl;
    cout<<"    input >>> ";
    string s;
    cin>>s;
    if(s=="k-rs")
    {
        system("cls");
        SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_RED);
        cout<<"                                            红蜘蛛反击系统启动成功"<<endl;
        Sleep(1000);
        SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 7);
        while(1)
        {
            system("taskkill /f /t /im REDAgent.exe");
            system("cls");
        }
    }
    if(s=="k-jy")
    {
        system("cls");
        SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 11);
        cout<<"                                            极域反击系统启动成功"<<endl;
        Sleep(1000);
        SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 7);
        while(1)
        {
            system("taskkill /f /t /im StudentMain.exe");
            system("cls");
        }
    }
    if(s=="k-yk")
    {
        system("cls");
        SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 12);
        cout<<"                                            伽卡他卡反击系统启动成功"<<endl;
        Sleep(1000);
        SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 7);
        while(1)
        {
            system("taskkill /f /t /im Student.exe");
            system("cls");
        }
    } 
    if(s=="k-lg")
    {
        system("cls");
        SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 2);
        cout<<"                                            传奇电子教室反击系统启动成功"<<endl;
        Sleep(1000);
        SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 7);
        while(1)
        {
            system("taskkill /f /t /im studentmain.exe");
            system("cls");
        }
    }
    return 0;
}

黑科技——代码玄学优化

注：写在代码前

#pragma GCC optimize(2)
#pragma GCC optimize(3)
#pragma GCC optimize("Ofast")
#pragma GCC optimize("inline")
#pragma GCC optimize("-fgcse")
#pragma GCC optimize("-fgcse-lm")
#pragma GCC optimize("-fipa-sra")
#pragma GCC optimize("-ftree-pre")
#pragma GCC optimize("-ftree-vrp")
#pragma GCC optimize("-fpeephole2")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-fsched-spec")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-falign-jumps")
#pragma GCC optimize("-falign-loops")
#pragma GCC optimize("-falign-labels")
#pragma GCC optimize("-fdevirtualize")
#pragma GCC optimize("-fcaller-saves")
#pragma GCC optimize("-fcrossjumping")
#pragma GCC optimize("-fthread-jumps")
#pragma GCC optimize("-funroll-loops")
#pragma GCC optimize("-fwhole-program")
#pragma GCC optimize("-freorder-blocks")
#pragma GCC optimize("-fschedule-insns")
#pragma GCC optimize("inline-functions")
#pragma GCC optimize("-ftree-tail-merge")
#pragma GCC optimize("-fschedule-insns2")
#pragma GCC optimize("-fstrict-aliasing")
#pragma GCC optimize("-fstrict-overflow")
#pragma GCC optimize("-falign-functions")
#pragma GCC optimize("-fcse-skip-blocks")
#pragma GCC optimize("-fcse-follow-jumps")
#pragma GCC optimize("-fsched-interblock")
#pragma GCC optimize("-fpartial-inlining")
#pragma GCC optimize("no-stack-protector")
#pragma GCC optimize("-freorder-functions")
#pragma GCC optimize("-findirect-inlining")
#pragma GCC optimize("-fhoist-adjacent-loads")
#pragma GCC optimize("-frerun-cse-after-loop")
#pragma GCC optimize("inline-small-functions")
#pragma GCC optimize("-finline-small-functions")
#pragma GCC optimize("-ftree-switch-conversion")
#pragma GCC optimize("-foptimize-sibling-calls")
#pragma GCC optimize("-fexpensive-optimizations")
#pragma GCC optimize("-funsafe-loop-optimizations")
#pragma GCC optimize("inline-functions-called-once")
#pragma GCC optimize("-fdelete-null-pointer-checks")