A MobileNumber is a VIP number if it satisfy the following conditions. The

A MobileNumber is a VIP number if it satisfy the following
conditions.

The operator should be Vodafone.
Atleast one 0 (Zero) should be exist in mobile number.
The number should not end with 8.
The single digit sum of all the digits in the number should
be equal to 9. For example if the number is 9876543210, the
sum is 9+8+7+...+1+0 = 45. Sum of 4+5 = 9.
Write a method:

private boolean isVIPMobileNumber(String mobileNum, String
operator)

mobileNum phone number
operator mobile operator as bsnl, Vodafone

Question Posted / nilesh kotalwar

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A MobileNumber is a VIP number if it satisfy the following conditions. The operator should be V..

Answer / c.p.senthil

// The prototype in question is not exactly c language. but i tried to provide equivalent solution in c.

int SingleDigitSum(int num)
{
int hund, tens, ones;
int sum = 0;

sum = num;

do
{
hund = sum / 100;
sum = sum % 100;
tens = sum / 10;
ones = sum % 10;
sum = hund + tens + ones;
}
while(sum > 9);

return(sum);
}

boolean isVIPMobileNumber(String mobileNum, String operator)
{
int i, sum=0, zeroCnt=0;
int tens, ones;
boolean retValue = FALSE;

// check for Vodafone operator
if(strcmp("Vodafone", operator) == 0)
{
// validate length of mobile number including NULL
if(strlen(mobileNum) == 11)
{
// check for the number should not end with 8
if(mobileNum[9] != 8)
{
for(i=0; i<10; i++)
{
if(mobileNum[i] == '0') zeroCnt++;

sum += mobileNum[i];
}

// Atleast one 0 (Zero) should be exist in mobile number.
// The single digit sum of all the digits in the number should be equal to 9.

// maximum sum possible single digit sum = 9+9+9+9+9+9+9+9+9+9 = 90 = 9 + 0 = 9

if((zeroCnt != 0) && (SingleDigitSum(sum) == 9))
{
retValue = TRUE;
}
}
}
}
}

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