add 1768

fishercoder1534 · fishercoder1534 · commit fb0aed39b0c6 · 2021-02-20T20:28:06.000-08:00
diff --git a/README.md b/README.md
@@ -8,6 +8,7 @@ _If you like this project, please leave me a star._ &#9733;
 
 |  #  |      Title     |   Solutions   | Video  | Difficulty  | Tag                   
 |-----|----------------|---------------|--------|-------------|-------------
+|1768|[Merge Strings Alternately](https://leetcode.com/problems/merge-strings-alternately/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1768.java) ||Easy|String|
 |1765|[Map of Highest Peak](https://leetcode.com/problems/map-of-highest-peak/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1765.java) ||Medium|BFS, Graph|
 |1764|[Form Array by Concatenating Subarrays of Another Array](https://leetcode.com/problems/form-array-by-concatenating-subarrays-of-another-array/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1764.java) ||Medium|Array, Greedy|
 |1763|[Longest Nice Substring](https://leetcode.com/problems/longest-nice-substring/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1763.java) ||Easy|String|
diff --git a/src/main/java/com/fishercoder/solutions/_1768.java b/src/main/java/com/fishercoder/solutions/_1768.java
@@ -0,0 +1,21 @@
+package com.fishercoder.solutions;
+
+public class _1768 {
+    public static class Solution1 {
+        public String mergeAlternately(String word1, String word2) {
+            StringBuilder sb = new StringBuilder();
+            int i = 0, j = 0;
+            for (; i < word1.length() && j < word2.length(); ) {
+                sb.append(word1.charAt(i++));
+                sb.append(word2.charAt(j++));
+            }
+            while (i < word1.length()) {
+                sb.append(word1.charAt(i++));
+            }
+            while (j < word2.length()) {
+                sb.append(word2.charAt(j++));
+            }
+            return sb.toString();
+        }
+    }
+}
