Merge pull request #3705 from Rach1507/patch-1

Refactor 0026-remove-duplicates-from-sorted-array.js

Author: Ykhan799

javascript/0026-remove-duplicates-from-sorted-array.js

@@ -1,24 +1,18 @@
 /**
- * Linear 
+ * Linear
  * Time O(N) | Space O(1)
  * https://leetcode.com/problems/remove-duplicates-from-sorted-array/
  * @param {number[]} nums
  * @return {number}
  */
-var removeDuplicates = (nums) => {
-    let [left, right] = [0, 0];
+var removeDuplicates = function (nums) {
+  let swap = 1;
 
-    while (right < nums.length) {
-        const [leftVal, rightVal] = [nums[left], nums[right]];
-
-        const isEqual = (rightVal === leftVal);
-        if (!isEqual) {
-            left++;
-            nums[left] = rightVal;
-        }
-
-        right++;
+  for (let i = 1; i < nums.length; i++) {
+    if (nums[i] != nums[i - 1]) {
+      nums[swap] = nums[i];
+      swap++;
     }
-
-    return (left + 1);
+  }
+  return swap;
 };