how to finish this program #include <cstring> using namespace std; //function pr

Question

how to finish this program

#include <cstring>
using namespace std;

//function prototypes
bool testPassWord(char[]);
int countLetters(char*);
int countDigits(char*);

int main()
{
char passWord[20];

cout << "Enter a password consisting of exactly 5 letters and 3 digits:" << endl;
cin.getline(passWord,20);

if (testPassWord(passWord))
  cout << "Please wait - your password is being verified" << endl;
else
{
  cout << "Invalid password. Please enter a password with exactly 5 letters and 3 digits" << endl;
  cout << "For example, my37RuN9 is valid" << endl;
}

// Fill in the code that will call countLetters and
// countDigits and will print to the screen both the number of
// letters and digits contained in the password.

return 0;
}

//**************************************************************
// testPassWord
//
// task: determines if the word in the
// character array passed to it, contains
// exactly 5 letters and 3 digits.
// Precondition: a word contained in a character array
// Postcondition: true if the word contains 5 letters & 3
// digits, false otherwise
//
//**************************************************************
bool testPassWord(char custPass[])
{
int numLetters, numDigits, length;
length = strlen(custPass);
numLetters = countLetters(custPass);
numDigits = countDigits(custPass);

if (numLetters == 5 && numDigits == 3 && length == 8 )
  return true;
else
  return false;
}

// the next 2 functions are from Sample Program 10.5
//**************************************************************
// countLetters
//
// task: counts the number of letters (both
// capital and lower case)in the string
// Precondition: a string
// Postcondition: the number of letters in the string
//
//**************************************************************
int countLetters(char *strPtr)
{
int occurs = 0;
while(*strPtr != '')
{
  if (isalpha(*strPtr))
   occurs++;
  strPtr++;
}
return occurs;
}

//**************************************************************
// countDigits
//
// task: counts the number of digits in the string
// data in: a string
// data returned: the number of digits in the string
//
//**************************************************************
int countDigits(char *strPtr)
{
int occurs = 0;
while(*strPtr != '')
{
  if (isdigit(*strPtr)) // isdigit determines if the character is a digit
   occurs++;strPtr++;
}
return occurs;
}

Explanation / Answer

Hello. The code already looks finished (or almost finished). I have written the code to print the number of letters and digits in the password once a password has been entered; just what mentioned in the comments. If you are looking for something else, you have to specify it, drop a comment. Thanks.

This is the completed code.

//code.cpp

#include <cstring>

#include<iostream>

using namespace std;

//function prototypes

bool testPassWord(char[]);

int countLetters(char*);

int countDigits(char*);

int main()

{

char passWord[20];

cout << "Enter a password consisting of exactly 5 letters and 3 digits:" << endl;

cin.getline(passWord,20);

if (testPassWord(passWord))

cout << "Please wait - your password is being verified" << endl;

else

{

cout << "Invalid password. Please enter a password with exactly 5 letters and 3 digits" << endl;

cout << "For example, my37RuN9 is valid" << endl;

}

int numLetters=countLetters(passWord);

int numDigits=countDigits(passWord);

cout<<"The password contain "<<numLetters<<" letters and "<<numDigits<<" digits..."<<endl;

// Fill in the code that will call countLetters and

// countDigits and will print to the screen both the number of

// letters and digits contained in the password.

return 0;

}

//**************************************************************

// testPassWord

//

// task: determines if the word in the

// character array passed to it, contains

// exactly 5 letters and 3 digits.

// Precondition: a word contained in a character array

// Postcondition: true if the word contains 5 letters & 3

// digits, false otherwise

//

//**************************************************************

bool testPassWord(char custPass[])

{

int numLetters, numDigits, length;

length = strlen(custPass);

numLetters = countLetters(custPass);

numDigits = countDigits(custPass);

if (numLetters == 5 && numDigits == 3 && length == 8 )

return true;

else

return false;

}

// the next 2 functions are from Sample Program 10.5

//**************************************************************

// countLetters

//

// task: counts the number of letters (both

// capital and lower case)in the string

// Precondition: a string

// Postcondition: the number of letters in the string

//

//**************************************************************

int countLetters(char *strPtr)

{

int occurs = 0;

while(*strPtr != '')

{

if (isalpha(*strPtr))

   occurs++;

strPtr++;

}

return occurs;

}

//**************************************************************

// countDigits

//

// task: counts the number of digits in the string

// data in: a string

// data returned: the number of digits in the string

//

//**************************************************************

int countDigits(char *strPtr)

{

int occurs = 0;

while(*strPtr != '')

{

if (isdigit(*strPtr)) // isdigit determines if the character is a digit

   occurs++;strPtr++;

}

return occurs;

}

/*OUTPUT1*/

Enter a password consisting of exactly 5 letters and 3 digits:

abcd123x

Please wait - your password is being verified

The password contain 5 letters and 3 digits...

/*OUTPUT2*/

Enter a password consisting of exactly 5 letters and 3 digits:

xyz12

Invalid password. Please enter a password with exactly 5 letters and 3 digits

For example, my37RuN9 is valid

The password contain 3 letters and 2 digits...

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