Statistics

Problem Statement

Definition

Class:

FriendFinder

Method:

distance

Parameters:

String

Returns:

int

Method signature:

int distance(String line)

(be sure your method is public)

Constraints

• line will have between 2 and 50 characters, inclusive.
• Each character of line will be '.', 'S', or 'F'.
• 'S' and 'F' will each appear exactly once in line.

Examples

1. "....SF..."

   Returns: 1

   You and your friend are adjacent in this line, thus you are one position away from each other.

2. "S........F"

   Returns: 9

   You and your friend are at completely opposite ends of this line.

3. "..F...S.."

   Returns: 4

   You and your friend may appear in either order.

4. "S........................................F"

   Returns: 41

5. ".................................FS"

   Returns: 1

6. "...S.....F"

   Returns: 6

7. "F..S................."

   Returns: 3

8. "..S.....F..."

   Returns: 6

9. "SF"

   Returns: 1

10. ".S........F"

    Returns: 9

11. "SF....."

    Returns: 1