add 3127

Author: fishercoder1534

Diff for: README.md

@@ -9,6 +9,7 @@ _If you like this project, please leave me a star._ ★
 | #    |      Title     | Solutions                                                                                                                                | Video                                                                         | Difficulty                       | Tag                                                                  
 |------|----------------|------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------|----------------------------------|----------------------------------------------------------------------
 | 3131 |[Find the Integer Added to Array I](https://leetcode.com/problems/find-the-integer-added-to-array-i/)| [Java](../master/src/main/java/com/fishercoder/solutions/_3131.java)                                                                     |                                           | Easy                             |
+| 3127 |[Make a Square with the Same Color](https://leetcode.com/problems/make-a-square-with-the-same-color/)| [Java](../master/src/main/java/com/fishercoder/solutions/_3127.java)                                                                      |                                           | Easy                             |
 | 3046 |[Split the Array](https://leetcode.com/problems/split-the-array/)| [Java](../master/src/main/java/com/fishercoder/solutions/_3046.java)                                                                     |                                           | Easy                             |
 | 3042 |[Count Prefix and Suffix Pairs I](https://leetcode.com/problems/count-prefix-and-suffix-pairs-i/)| [Java](../master/src/main/java/com/fishercoder/solutions/_3042.java)                                                                     |                                           | Easy                             |
 | 3038 |[Maximum Number of Operations With the Same Score I](https://leetcode.com/problems/maximum-number-of-operations-with-the-same-score-i/)| [Java](../master/src/main/java/com/fishercoder/solutions/_3038.java)                                                                     |                                           | Easy                             |

Diff for: src/main/java/com/fishercoder/solutions/_3127.java

@@ -0,0 +1,28 @@
+package com.fishercoder.solutions;
+
+public class _3127 {
+    public static class Solution1 {
+        public boolean canMakeSquare(char[][] grid) {
+            for (int i = 0; i < 2; i++) {
+                for (int j = 0; j < 2; j++) {
+                    if (isPossible(grid, i, j, 'B') || isPossible(grid, i, j, 'W')) {
+                        return true;
+                    }
+                }
+            }
+            return false;
+        }
+
+        private boolean isPossible(char[][] grid, int startI, int startJ, char color) {
+            int count = 0;
+            for (int i = startI; i < startI + 2; i++) {
+                for (int j = startJ; j < startJ + 2; j++) {
+                    if (grid[i][j] == color) {
+                        count++;
+                    }
+                }
+            }
+            return count >= 3;
+        }
+    }
+}