#CCBCHBAHAI0000060. Phần tử gần trung bình nhất (Element Closest to the Average)
Phần tử gần trung bình nhất (Element Closest to the Average)
Element Closest to the Average (Phần tử gần trung bình nhất)
Source: Phước Hưng OJ
Version: Phuoc Hung OJ Extended
Problem
Given integers , define
Choose the smallest index minimizing . Equivalently, with , compare
using integer arithmetic. Print and .
Input
The first line contains . The second line contains integers .
Output
Print p a_p, where is the selected 0-based index.
Subtask
Subtask 1 (20 points): , .
Subtask 2 (30 points): , .
Subtask 3 (50 points): , .
Example
Input
5
1 4 8 10 12
Output
2 8
Explanation
The sample follows the definitions and rules above.