Problem F: Nearest Minimums

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:98 Solved:40

Description

给定一个长度为n的整数数组,请找出最小值之间的最短距离。保证最小值在数组中至少出现2次。

Input

Sample Input Copy

3
5 6 5

Sample Output Copy

2