Problem Description: 1.Some Websites impose certain rules for passwords. Write a

Question

Problem Description:
1.Some Websites impose certain rules for passwords. Write a program and method that checks whether a string is a valid password. Suppose the password rule is as follows:

A password must have at least eight characters.
A password consists of only letters and digits.
A password must contain at least two digits.

Write a program that prompts the user to enter a password and displays "valid password" if the rule is followed or "invalid password" otherwise.

Sample 1
Enter a string for password: wewew43x
valid password

Sample 2
Enter a string for password: 343a
invalid password

Analysis:
(Describe the problem including input and output in your own words using Comment.)
Design:
(Describe the major steps for solving the problem Using Comment.)

Testing: (Describe how you test this program using Comment)

Explanation / Answer

#include< stdio.h  >

void main()

{

     char password[10];

     int length;

     int digit=0;  //inputting password

     printf("Enter a string for password:");

     gets(password);

     length=strlen(password);

     {

          if(isdigit(password[i]))

              digit++;

     }

          printf("Invalid password Atleast 8 characters !!");

   else if(digit < 2)

      printf("Password should contain alteast one digit");

  else

       printf("Valid password");

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