학벌 계통

/*************************
 *xueba system           *
 *                 by:ZCB*
 *************************/ 

#include
#include 
#include 

int main(void)
{
    double a = 0;
    int b = 4;
    int c = 0;
    printf("Please input the public key.");
    printf("
Tips:
1.The public key is Zhu's QQ number.
2.Your computer will be turned off if you put wrong key 5 times.
");
    scanf("%lf",&a);
    if(a != 763798866)
    {
        printf("
Your public key is wrong.
");
        while(b >= 1&&a != 763798866)
        {
            printf("
You now have %d chances left.",b);
            printf("
Please try again.
");
            fflush(stdin);
            scanf("%lf",&a);
            b--;
        }
    }
        if(b == 0&&a != 763798866)
        {
            printf("Please ask for the correct key.
");
            printf("Now your computer will be turned off in 60 seconds.
");
            system("shutdown -s -t 60");
        }
    else
    {
        printf("
It's the correct key.");
        printf("
The system is activating,please wait a moment...
");
        do
        {
            printf("%d percent completed.\r",c);
            Sleep(500);
            c++;
        }
        while(c <= 100);
        printf("
The system is activated successfully.
");
        printf("Please wait 5 seconds.
");
        Sleep(5000);
        printf("You know,only if away from your computer can you concentrate on leaning.
So in order to make you become a xueba,I will turn it off.
");
        printf("O(∩_∩)O
");
        system("shutdown -s -t 60");
    }
    system("pause");
    return 0;
}