C: Analog Three-time password input.

Simulates three password entries.

Solution: Program:

#include <stdio.h>

#include <windows.h>

#include <string.h>

int Main ()

{

int i;

Char *p = "123456" ;

Char arr[10];

for (i = 0; i < 3; i++)

{

printf ("Please enter password:");

scanf ("%s", arr);

if (strcmp (P,arr) ==0)

{

Break ;

}

Else  

{

printf ("Password error!\n");

}

}

if (i==3)

{

printf ("three times password input error, the system will automatically shut down after 3 seconds!") \ n ");

Sleep (3000);

}

Else if(i<3)

{

printf ("Congratulations on your successful login!") \ n ");

}

return 0;

}

Result 1:

Please enter the password : 123567

Wrong password !

Please enter the password : 65848

Wrong password !

Please enter the password : 135268

Wrong password !

Three times the password input error, the system will automatically shut down after 3 seconds!

Please press any key to continue ...

Result 2:

Please enter the password : 123456

Congratulations on your successful login!

Please press any key to continue ...

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C: Analog Three-time password input.