题目
给定一个数组,将数组中的元素向右移动 k 个位置,其中 k 是非负数。
示例 1:
输入: [1,2,3,4,5,6,7] 和 k = 3 输出: [5,6,7,1,2,3,4]
解释:
向右旋转 1 步: [7,1,2,3,4,5,6]
向右旋转 2 步: [6,7,1,2,3,4,5]
向右旋转 3 步: [5,6,7,1,2,3,4]
示例 2:
输入: [-1,-100,3,99] 和 k = 2 输出: [3,99,-1,-100]
解释:
向右旋转 1 步: [99,-1,-100,3]
向右旋转 2 步: [3,99,-1,-100]
答案
解法1:
const rotate = (nums, k) => { for(var i = 0; i
解法2:
const rotate = (nums, k) => { const n = nums.length; let tmpEnd = 0; let tmpPrev = 0; for(let i = 0; i
解法3:
const rotate = (nums, k) => { const n = nums.length; let reversePoint = n - k%n; reversePoint != 0 && (nums = nums.slice(reversePoint).concat(nums.slice(0, reversePoint))); return nums; }
解法4:
const rotate = (nums, k) => { const n = nums.length; let newArr = new Array(n); for(let i = 0;i
以上就是JS算法题解旋转数组方法示例的详细内容,更多关于JS算法题解旋转数组的资料请关注IT俱乐部其它相关文章!