add 991

fishercoder1534 · fishercoder1534 · commit d3b69ba3a38e · 2021-02-21T12:53:32.000-08:00
diff --git a/README.md b/README.md
@@ -338,6 +338,7 @@ _If you like this project, please leave me a star._ &#9733;
 |1003|[Check If Word Is Valid After Substitutions](https://leetcode.com/problems/check-if-word-is-valid-after-substitutions/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1003.java) | |Medium|
 |1002|[Find Common Characters](https://leetcode.com/problems/find-common-characters/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1002.java) |  |Easy|
 |999|[Available Captures for Rook](https://leetcode.com/problems/available-captures-for-rook/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_999.java) | |Easy|
+|991|[Broken Calculator](https://leetcode.com/problems/broken-calculator/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_991.java) | |Medium|Math, Greedy
 |981|[Time Based Key-Value Store](https://leetcode.com/problems/time-based-key-value-store/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_981.java) | [:tv:](https://youtu.be/eVi4gDimCoo)|Medium|
 |997|[Find the Town Judge](https://leetcode.com/problems/find-the-town-judge/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_997.java) | |Easy| 
 |994|[Rotting Oranges](https://leetcode.com/problems/rotting-oranges/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_994.java) | |Easy| BFS
diff --git a/src/main/java/com/fishercoder/solutions/_991.java b/src/main/java/com/fishercoder/solutions/_991.java
@@ -0,0 +1,18 @@
+package com.fishercoder.solutions;
+
+public class _991 {
+    public static class Solution1 {
+        public int brokenCalc(int X, int Y) {
+            int ops = 0;
+            while (Y > X) {
+                ops++;
+                if (Y % 2 != 0) {
+                    Y++;
+                } else {
+                    Y /= 2;
+                }
+            }
+            return ops + X - Y;
+        }
+    }
+}
