RangeFinder | Topcoder Archive

Problem Statement

The range is the difference between the highest and lowest value in a group of numbers. Given int[] x, return the range of x.

Definition

Class:: RangeFinder
Method:: getRange
Parameters:: int[]
Returns:: int
Method signature:: int getRange(int[] x)
(be sure your method is public)

Constraints

x will contain between 1 and 50 elements, inclusive.
Each element of x will be between -1000000 and 1000000, inclusive.

Examples

```
{ 1, 2, 3 }
```
```
Returns: 2
```
The largest is 3, and the smallest is 1, so the difference is 2.
```
{ 7, 1, 2, 4 }
```
```
Returns: 6
```
Elements aren't necessarily in order.
```
{ 3, 5, 2, 3, 4, 3 }
```
```
Returns: 3
```
Elements can be repeated.
```
{ 7, -2, 4 }
```
```
Returns: 9
```
Values can be negative, too.

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