Create 2607-make-k-subarray-sums-equal.js

Author: everthis

2607-make-k-subarray-sums-equal.js

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+/**
+ * @param {number[]} arr
+ * @param {number} k
+ * @return {number}
+ */
+const makeSubKSumEqual = function(arr, k) {
+  let res = 0
+  const n =  arr.length
+  for(let i = 0; i < n; i++) {
+    const tmp = []
+    for(let j = i; arr[j] !== 0; j = (j + k) % n) {
+      tmp.push(arr[j])
+      arr[j] = 0
+    }
+    tmp.sort((a, b) => a - b)
+    const mid = tmp[~~(tmp.length / 2)]
+    for(const e of tmp) {
+      res += Math.abs(e - mid)
+    }
+  }
+  
+  
+  return res
+};