Create 1749-maximum-absolute-sum-of-any-subarray.js

Author: everthis

1749-maximum-absolute-sum-of-any-subarray.js

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+/**
+ * @param {number[]} nums
+ * @return {number}
+ */
+const maxAbsoluteSum = function(nums) {
+            let min = 0, max = 0;
+            let positiveSum = 0, negativeSum = 0;
+            for (let num of nums)
+            {
+                positiveSum += num;
+                if (positiveSum > max)
+                {
+                    max = positiveSum;
+                }
+
+                if (positiveSum < 0)
+                {
+                    positiveSum = 0;
+                }
+                negativeSum += num;
+                if (negativeSum < min)
+                {
+                    min = negativeSum;
+                }
+                if (negativeSum > 0)
+                {
+                    negativeSum = 0;
+                }
+            }
+
+            return Math.max(Math.abs(min), max);
+};