### Problem Statement

```Class Name:  WellOrdered
Method Name: numberOf
Parameters:  int,int
Returns:     int

Implement a class WellOrdered, which contains a method numberOf.  The method
takes two ints as parameters: the number of digits, d, and the number base, b.
The method returns an int (base-10) that is the number of positive well ordered
integers with d digits in the base-b number system.

A well ordered integer is an integer in which the digits strictly increase from
left(most significant) to right(least significant).  For example 145 is a well
ordered integer.  442 and 445 are not.

In base 16, the digits from smallest to greatest are:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F
In any base, b, less than or equal to 16, the digits are the first b of those
above.

Therefore, in base 12, 79B is a well ordered integer of three digits.  In base
16, the number 8CDE is a well ordered integer of four digits.  E6 is not a well
ordered integer in base 15 (nor in base-16 for that matter...).

The method signature is:
int numberOf(int digits, int base);
Be sure your method is public.

digit and base satisfy:
0 < digit < 5
1 < base < 17

Note:
Any 1 non-zero digit number is well ordered.
Numbers with leading zeroes are not valid.  For example, 012 is not a well
ordered number with three digits.

Examples:
-In base 5, the well ordered numbers with 3 digits are:
123
124
134
234
So if digit=3 and base=5, the method should return 4.
```

### Definition

 Class: WellOrdered Method: numberOf Parameters: int, int Returns: int Method signature: int numberOf(int param0, int param1) (be sure your method is public)

#### Problem url:

http://www.topcoder.com/stat?c=problem_statement&pm=86

#### Problem stats url:

http://www.topcoder.com/tc?module=ProblemDetail&rd=3007&pm=86

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