constitutive numbers
By NetTtk
@NetTtk (1)
South Africa
November 27, 2006 5:12am CST
You will be given two ints A and B. Return the number of constitutive numbers between A and B, inclusive.
Definition
Class: ConstitutiveNumbers
Method: count
Parameters: int, int
Returns: int
Method signature: int count(int A, int B)
(be sure your method is public)
Constraints
- A will be between 1 and 1,000,000,000, inclusive.
- B will be between A and A + 1000, inclusive.
Examples
0)
1
15
Returns: 6
The first 6 constitutive numbers are:
6 = 1 + 2 + 3
9 = 2 + 3 + 4
10 = 1 + 2 + 3 + 4
12 = 3 + 4 + 5
14 = 2 + 3 + 4 + 5
15 = 4 + 5 + 6
1)
1
101
Returns: 69
2)
1000
1030
Returns: 26
3)
7245723
7246428
Returns: 657
4)
1000000000
1000001000
Returns: 952
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