Add solution #1768

Author: JoshCrozier

README.md

@@ -337,6 +337,7 @@
 1672|[Richest Customer Wealth](./1672-richest-customer-wealth.js)|Easy|
 1716|[Calculate Money in Leetcode Bank](./1716-calculate-money-in-leetcode-bank.js)|Easy|
 1748|[Sum of Unique Elements](./1748-sum-of-unique-elements.js)|Easy|
+1768|[Merge Strings Alternately](./1768-merge-strings-alternately.js)|Easy|
 1780|[Check if Number is a Sum of Powers of Three](./1780-check-if-number-is-a-sum-of-powers-of-three.js)|Medium|
 1791|[Find Center of Star Graph](./1791-find-center-of-star-graph.js)|Easy|
 1812|[Determine Color of a Chessboard Square](./1812-determine-color-of-a-chessboard-square.js)|Easy|

solutions/1768-merge-strings-alternately.js

@@ -0,0 +1,25 @@
+/**
+ * 1768. Merge Strings Alternately
+ * https://leetcode.com/problems/merge-strings-alternately/
+ * Difficulty: Easy
+ *
+ * You are given two strings word1 and word2. Merge the strings by adding letters in alternating
+ * order, starting with word1. If a string is longer than the other, append the additional
+ * letters onto the end of the merged string.
+ *
+ * Return the merged string.
+ */
+
+/**
+ * @param {string} word1
+ * @param {string} word2
+ * @return {string}
+ */
+var mergeAlternately = function(word1, word2) {
+  let result = '';
+  for (let i = 0; i < Math.max(word1.length, word2.length); i++) {
+    if (i < word1.length) result += word1[i];
+    if (i < word2.length) result += word2[i];
+  }
+  return result;
+};