Time: 311 ms (42.48%) | Memory: 96.4 MB (44.51%) - LeetSync

2271-rearrange-array-elements-by-sign/rearrange-array-elements-by-sign.js

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+/**
+ * @param {number[]} nums
+ * @return {number[]}
+ */
+var rearrangeArray = function(nums) {
+    let solution = new Solution();
+    return solution.rearrangeArray(nums);
+};
+
+
+var Solution = function() {};
+
+Solution.prototype.rearrangeArray = function(nums) {
+    let ans = new Array(nums.length).fill(0);
+    let pos = 0, neg = 1;
+
+    for (let i = 0; i < nums.length; i++) {
+        if (nums[i] > 0) {
+            ans[pos] = nums[i];
+            pos += 2;
+        } else {
+            ans[neg] = nums[i];
+            neg += 2;
+        }
+    }
+
+    return ans;
+};