✨ [2090] K Radius Subarray Averages

Author: enkr1

2090/my_solution.js

@@ -0,0 +1,37 @@
+/**
+ * @param {number[]} nums
+ * @param {number} k
+ * @return {number[]}
+ */
+const getAverages = (nums, k) => {
+  if (k === 0) return nums;
+  let result = [];
+
+  for (let i = 0; i < nums.length; i++) {
+    if (i < k || i + k >= nums.length) {
+      result.push(-1);
+      continue;
+    }
+
+    let tmpSum = 0;
+    console.log(`> ${i} `)
+    for (let j = i - k; j < i + k + 1; j++) {
+      console.log(`from ${j} to ${i + k}`)
+      tmpSum += nums[j];
+    }
+
+    result.push(Math.floor(tmpSum / ((k * 2) + 1)));
+  }
+
+  return result;
+};
+
+let x = null;
+// 9
+//                        _  _
+//               0  1  2  3  4  5  6  7  8
+x = getAverages([7, 4, 3, 9, 1, 8, 5, 2, 6], 3) // [-1,-1,-1,5,4,4,-1,-1,-1]
+// x = getAverages([100000], 0) // [100000]
+// x = getAverages([8], 100000)
+console.log("Result")
+console.log(x)

2090/solution.js

@@ -0,0 +1,26 @@
+/**
+ * @param {number[]} nums
+ * @param {number} k
+ * @return {number[]}
+ */
+const getAverages = (nums, k) => {
+  if (k === 0) return nums;
+  let result = [];
+
+  for (let i = 0; i < nums.length; i++) {
+    if (i < k || i + k >= nums.length) {
+      result.push(-1);
+      continue;
+    }
+
+    let tmpSum = 0;
+    console.log(`> ${i} `)
+    for (let j = i - k; j < i + k + 1; j++) {
+      tmpSum += nums[j];
+    }
+
+    result.push(Math.floor(tmpSum / ((k * 2) + 1)));
+  }
+
+  return result;
+};

README.md

@@ -75,6 +75,7 @@
 - [1791. Find Center of Star Graph](./1791/)
 - [1909. Remove One Element to Make the Array Strictly Increasing](./1909/)
 - [1971. Find if Path Exists in Graph](./1971/)
+- [2090. K Radius Subarray Averages](./2090/)
 
 ---
 
@@ -118,7 +119,7 @@ Batch create:
 NOTE: JS IS HERE
 -->
 ```ssh
-chapter=54 && mkdir ./$chapter && touch ./$chapter/my_solution.js && touch ./$chapter/solution.js && alias x="node ./$chapter/my_solution.js"
+chapter=2090 && mkdir ./$chapter && touch ./$chapter/my_solution.js && touch ./$chapter/solution.js && alias x="node ./$chapter/my_solution.js"
 ```
 > then you can use `x` for quick debug.