Add solution #3174

Author: JoshCrozier

README.md

@@ -577,6 +577,7 @@
 3110|[Score of a String](./3110-score-of-a-string.js)|Easy|
 3151|[Special Array I](./3151-special-array-i.js)|Easy|
 3160|[Find the Number of Distinct Colors Among the Balls](./3160-find-the-number-of-distinct-colors-among-the-balls.js)|Medium|
+3174|[Clear Digits](./3174-clear-digits.js)|Easy|
 3223|[Minimum Length of String After Operations](./3223-minimum-length-of-string-after-operations.js)|Medium|
 3392|[Count Subarrays of Length Three With a Condition](./3392-count-subarrays-of-length-three-with-a-condition.js)|Easy|
 3396|[Minimum Number of Operations to Make Elements in Array Distinct](./3396-minimum-number-of-operations-to-make-elements-in-array-distinct.js)|Easy|

solutions/3174-clear-digits.js

@@ -0,0 +1,30 @@
+/**
+ * 3174. Clear Digits
+ * https://leetcode.com/problems/clear-digits/
+ * Difficulty: Easy
+ *
+ * You are given a string s.
+ *
+ * Your task is to remove all digits by doing this operation repeatedly:
+ * - Delete the first digit and the closest non-digit character to its left.
+ *
+ * Return the resulting string after removing all digits.
+ */
+
+/**
+ * @param {string} s
+ * @return {string}
+ */
+var clearDigits = function(s) {
+  const stack = [];
+
+  for (const character of s) {
+    if (!isNaN(character) && stack.length) {
+      stack.pop();
+    } else {
+      stack.push(character);
+    }
+  }
+
+  return stack.join('');
+};