add 1844

fishercoder1534 · fishercoder1534 · commit 5dd6f6d32c0f · 2021-05-01T19:02:13.000-07:00
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                   
 |-----|----------------|---------------|--------|-------------|-------------
+|1844|[Replace All Digits with Characters](https://leetcode.com/problems/replace-all-digits-with-characters//)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1844.java) ||Easy|String|
 |1837|[Sum of Digits in Base K](https://leetcode.com/problems/sum-of-digits-in-base-k/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1837.java) ||Easy|Math, Bit Manipulation|
 |1833|[Maximum Ice Cream Bars](https://leetcode.com/problems/maximum-ice-cream-bars/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1833.java) ||Medium|Array, Sort|
 |1832|[Check if the Sentence Is Pangram](https://leetcode.com/problems/check-if-the-sentence-is-pangram/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1832.java) ||Easy|String|
diff --git a/src/main/java/com/fishercoder/solutions/_1844.java b/src/main/java/com/fishercoder/solutions/_1844.java
@@ -0,0 +1,17 @@
+package com.fishercoder.solutions;
+
+public class _1844 {
+    public static class Soluiton1 {
+        public String replaceDigits(String s) {
+            StringBuilder sb = new StringBuilder();
+            for (char c : s.toCharArray()) {
+                if (Character.isAlphabetic(c)) {
+                    sb.append(c);
+                } else {
+                    sb.append((char) (sb.charAt(sb.length() - 1) + Character.getNumericValue(c)));
+                }
+            }
+            return sb.toString();
+        }
+    }
+}
