LeetCode 189. Rotate Array
题目描述:
Rotate an array of n elements to the right by k steps.
For example, with n = 7 and k = 3, the array
[1,2,3,4,5,6,7]
is rotated to[5,6,7,1,2,3,4]
.
循环右移, 没啥好说的…可以选择一起移动, 也可以选择一个元素一个元素移动; 前者时间复杂度低, 后者空间复杂度低.
1 | class Solution { |