add 2048

fishercoder1534 · fishercoder1534 · commit 88fc6a8d471f · 2021-10-24T09:00:27.000-07:00
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                  
 |-----|----------------|---------------|--------|-------------|-------------
+|2048|[Next Greater Numerically Balanced Number](https://leetcode.com/problems/next-greater-numerically-balanced-number/)|[Java](../master/src/main/java/com/fishercoder/solutions/_2048.java) ||Medium||
 |2047|[Number of Valid Words in a Sentence](https://leetcode.com/problems/number-of-valid-words-in-a-sentence/)|[Java](../master/src/main/java/com/fishercoder/solutions/_2047.java) ||Easy||
 |2044|[Count Number of Maximum Bitwise-OR Subsets](https://leetcode.com/problems/count-number-of-maximum-bitwise-or-subsets/)|[Java](../master/src/main/java/com/fishercoder/solutions/_2044.java) ||Medium||
 |2043|[Simple Bank System](https://leetcode.com/problems/simple-bank-system/)|[Java](../master/src/main/java/com/fishercoder/solutions/_2043.java) ||Medium||
diff --git a/src/main/java/com/fishercoder/solutions/_2048.java b/src/main/java/com/fishercoder/solutions/_2048.java
@@ -0,0 +1,33 @@
+package com.fishercoder.solutions;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class _2048 {
+    public static class Solution1 {
+        public int nextBeautifulNumber(int n) {
+            int ans = n;
+            do {
+                ans++;
+                if (isNumeric(ans)) {
+                    return ans;
+                }
+            } while (true);
+        }
+
+        private boolean isNumeric(int number) {
+            Map<Integer, Integer> map = new HashMap<>();
+            while (number != 0) {
+                int digit = number % 10;
+                map.put(digit, map.getOrDefault(digit, 0) + 1);
+                number /= 10;
+            }
+            for (int key : map.keySet()) {
+                if (key != map.get(key) || (key == 0 && map.get(key) != 0)) {
+                    return false;
+                }
+            }
+            return true;
+        }
+    }
+}
