maxdifference
Problem Statement
You are given an integer sequence A of length N.
Find the maximum absolute difference of two elements (with different indices) in A.
Constraints
- 2 ≤ N ≤ 100
- 1 ≤ Ai ≤ 109
- All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
A1 A2 ... AN
Output
Print the maximum absolute difference of two elements (with different indices) in A.
Sample Input 1
4
1 4 6 3
Sample Output 1
5
The maximum absolute difference of two elements is A3-A1=6-1=5.
Sample Input 2
2
1000000000 1
Sample Output 2
999999999
Sample Input 3
5
1 1 1 1 1
Sample Output 3
0