add 2194

fishercoder1534 · fishercoder1534 · commit 6e75a93147d2 · 2022-03-06T09:50:00.000-08:00
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                  
 |------|----------------|------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------|-------------|-------------
+| 2194 |[Cells in a Range on an Excel Sheet](https://leetcode.com/problems/cells-in-a-range-on-an-excel-sheet/)| [Java](../master/src/main/java/com/fishercoder/solutions/_2194.java)                                                                     || Easy                                                                          ||
 | 2190 |[Most Frequent Number Following Key In an Array](https://leetcode.com/problems/most-frequent-number-following-key-in-an-array/)| [Java](../master/src/main/java/com/fishercoder/solutions/_2190.java)                                                                     || Easy                                                                          ||
 | 2186 |[Minimum Number of Steps to Make Two Strings Anagram II](https://leetcode.com/problems/minimum-number-of-steps-to-make-two-strings-anagram-ii/)| [Java](../master/src/main/java/com/fishercoder/solutions/_2186.java)                                                                     || Medium                                                                        ||
 | 2185 |[Counting Words With a Given Prefix](https://leetcode.com/problems/counting-words-with-a-given-prefix/)| [Java](../master/src/main/java/com/fishercoder/solutions/_2185.java)                                                                     || Easy                                                                          ||
diff --git a/src/main/java/com/fishercoder/solutions/_2194.java b/src/main/java/com/fishercoder/solutions/_2194.java
@@ -0,0 +1,28 @@
+package com.fishercoder.solutions;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+public class _2194 {
+    public static class Solution1 {
+        public List<String> cellsInRange(String s) {
+            char start = s.charAt(0);
+            int num1 = Integer.parseInt(s.charAt(1) + "");
+            char end = s.charAt(3);
+            int num2 = Integer.parseInt(s.charAt(4) + "");
+            List<String> ans = new ArrayList<>();
+            StringBuilder sb = new StringBuilder();
+            for (char startChar = start; startChar <= end; startChar++) {
+                for (int c = num1; c <= num2; c++) {
+                    sb.setLength(0);
+                    sb.append(startChar);
+                    sb.append(c);
+                    ans.add(sb.toString());
+                }
+            }
+            Collections.sort(ans);
+            return ans;
+        }
+    }
+}
