Add solution #2390

Author: JoshCrozier

README.md

@@ -390,6 +390,7 @@
 2215|[Find the Difference of Two Arrays](./2215-find-the-difference-of-two-arrays.js)|Easy|
 2235|[Add Two Integers](./2235-add-two-integers.js)|Easy|
 2244|[Minimum Rounds to Complete All Tasks](./2244-minimum-rounds-to-complete-all-tasks.js)|Medium|
+2390|[Removing Stars From a String](./2390-removing-stars-from-a-string.js)|Medium|
 2396|[Strictly Palindromic Number](./2396-strictly-palindromic-number.js)|Medium|
 2413|[Smallest Even Multiple](./2413-smallest-even-multiple.js)|Easy|
 2427|[Number of Common Factors](./2427-number-of-common-factors.js)|Easy|

solutions/2390-removing-stars-from-a-string.js

@@ -0,0 +1,33 @@
+/**
+ * 2390. Removing Stars From a String
+ * https://leetcode.com/problems/removing-stars-from-a-string/
+ * Difficulty: Medium
+ *
+ * You are given a string s, which contains stars *.
+ *
+ * In one operation, you can:
+ * - Choose a star in s.
+ * - Remove the closest non-star character to its left, as well as remove the star itself.
+ *
+ * Return the string after all stars have been removed.
+ *
+ * Note:
+ * - The input will be generated such that the operation is always possible.
+ * - It can be shown that the resulting string will always be unique.
+ */
+
+/**
+ * @param {string} s
+ * @return {string}
+ */
+var removeStars = function(s) {
+  const result = [];
+  for (let i = 0; i < s.length; i++) {
+    if (s[i] !== '*') {
+      result.push(s[i]);
+    } else {
+      result.pop();
+    }
+  }
+  return result.join('');
+};