#P3421. Stick Lengths
Stick Lengths
当前没有测试数据。
Description
There are n sticks with some lengths. Your task is to modify the sticks so that each stick has the same length.
You can either lengthen and shorten each stick. Both operations cost x where x is the difference between the new and original length.
What is the minimum total cost?
Input Format
The first input line contains an integer n: the number of sticks.
Then there are n integers: p1,p2,…,pn: the lengths of the sticks.
Output Format
Print one integer: the minimum total cost.5
2 3 1 5 2
5