leetcode 453. Minimum Moves to Equal Array Elements python
453. Minimum Moves to Equal Array Elements --leetcode
编程练习,多多思考。
题目
Given a non-empty integer array of size n, find the minimum number of moves required to make all array elements equal, where a move is incrementing n - 1 elements by 1.
Example:
Input:
[1,2,3]
Output:
3
Explanation:
Only three moves are needed (remember each move increments two elements):
[1,2,3] => [2,3,3] => [3,4,3] => [4,4,4]
思路
原题的意思是对每次对 list 中 n-1 个元素加 1 ,直到 list 中元素相等的次数,可以反过来想,对 n-1 个元素加 1 ,就等于对 1 个元素减 1,这样就很容易了,原题就相当于,计算对 list 中每个元素减 1 ,直到 list 中元素相等的次数
python解法
1 | class Solution(object): |