Feb 11, 2022 · Feb 11, 2022
diff --git a/solution/0100-0199/0189.Rotate Array/Solution.js b/solution/0100-0199/0189.Rotate Array/Solution.js
Original file line number	Diff line number	Diff line change
Expand Up		@@ -7,3 +7,24 @@ var rotate = function (nums, k) {
		k %= nums.length;
		nums.splice(0, 0, ...nums.splice(-k, k));
		};

	/*
	* Author: KimYangOfCat
	*/
	var rotate = function(nums, k) {
	// 数组翻转想法
	k%=nums.length;
	reverse(nums,0,nums.length-1);
	reverse(nums,0,k-1);
	reverse(nums,k,nums.length-1);

	};
	function reverse(nums,start,end){
	while(start<end){
	const temp = nums[start];
	nums[start]=nums[end];
	nums[end]=temp;
	start+=1;
	end-=1;
	}
	}