From d58d83cedf120aadc5f79545d689de66a99892b6 Mon Sep 17 00:00:00 2001 From: suhwan2004 Date: Mon, 30 Dec 2024 20:50:54 +0900 Subject: [PATCH] commit --- suhwan2004/Maximum Average Subarray I.js | 26 ++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 suhwan2004/Maximum Average Subarray I.js diff --git a/suhwan2004/Maximum Average Subarray I.js b/suhwan2004/Maximum Average Subarray I.js new file mode 100644 index 0000000..c3d2723 --- /dev/null +++ b/suhwan2004/Maximum Average Subarray I.js @@ -0,0 +1,26 @@ +/** + * @param {number[]} nums + * @param {number} k + * @return {number} + */ + +/* + +17:55 ~ 18:17 +Time : O(N) +Space : O(1) +Algo : for +Ds : X +*/ + +var findMaxAverage = function(nums, k) { + if(nums.length === 1) return nums[0] + if(k === 1) return Math.max(...nums) + + let sum = 0 + + return nums.reduce((prev, cur, i) => { + sum += cur - (i >= k ? nums[i-k] : 0) + return k-1 <= i ? Math.max(sum/k, prev) : prev + }, -Infinity) +}; \ No newline at end of file