Create 2149-rearrange-array-elements-by-sign.kt

Author: a93a

Diff for: kotlin/2149-rearrange-array-elements-by-sign.kt

@@ -0,0 +1,20 @@
+class Solution {
+    fun rearrangeArray(nums: IntArray): IntArray {
+        var pos = 0
+        var neg = 1
+        val res = IntArray (nums.size)
+
+        for (num in nums) {
+            if (num > 0) {
+                res[pos] = num
+                pos += 2
+            } else {
+                res[neg] = num
+                neg += 2
+            }
+        }
+
+        return res
+    }
+
+}