[LEET-3274] add 3274

fishercoder1534 · fishercoder1534 · commit be323467935a · 2024-10-28T11:11:59.000-07:00
diff --git a/paginated_contents/algorithms/4th_thousand/README.md b/paginated_contents/algorithms/4th_thousand/README.md
@@ -8,6 +8,7 @@
 | 3289 | [The Two Sneaky Numbers of Digitville](https://leetcode.com/problems/the-two-sneaky-numbers-of-digitville/)                                                                | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3289.java) |                                                                               | Easy       |
 | 3285 | [Find Indices of Stable Mountains](https://leetcode.com/problems/find-indices-of-stable-mountains/)                                                                | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3285.java) |                                                                               | Easy       |
 | 3280 | [Convert Date to Binary](https://leetcode.com/problems/convert-date-to-binary/)                                                                | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3280.java) |                                                                               | Easy       |
+| 3274 | [Check if Two Chessboard Squares Have the Same Color](https://leetcode.com/problems/check-if-two-chessboard-squares-have-the-same-color/)                      | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3274.java) |                                                                               | Easy       |
 | 3270 | [Find the Key of the Numbers](https://leetcode.com/problems/find-the-key-of-the-numbers/)                      | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3270.java) |                                                                               | Easy       |
 | 3264 | [Final Array State After K Multiplication Operations I](https://leetcode.com/problems/final-array-state-after-k-multiplication-operations-i/)                      | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3264.java) |                                                                               | Easy       |
 | 3263 | [Convert Doubly Linked List to Array I](https://leetcode.com/problems/convert-doubly-linked-list-to-array-i/)                                                      | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3263.java) |                                                                               | Easy       |
diff --git a/src/main/java/com/fishercoder/solutions/fourththousand/_3274.java b/src/main/java/com/fishercoder/solutions/fourththousand/_3274.java
@@ -0,0 +1,25 @@
+package com.fishercoder.solutions.fourththousand;
+
+import java.util.HashSet;
+import java.util.Set;
+
+public class _3274 {
+    public static class Solution1 {
+        public boolean checkTwoChessboards(String coordinate1, String coordinate2) {
+            return isBlack(coordinate2) == isBlack(coordinate1);
+        }
+
+        private boolean isBlack(String coordinate) {
+            Set<Character> blackColsWithOddRows = new HashSet<>();
+            blackColsWithOddRows.add('a');
+            blackColsWithOddRows.add('c');
+            blackColsWithOddRows.add('e');
+            blackColsWithOddRows.add('g');
+            if (blackColsWithOddRows.contains(coordinate.charAt(0))) {
+                return Character.getNumericValue(coordinate.charAt(1)) % 2 == 1;
+            } else {
+                return Character.getNumericValue(coordinate.charAt(1)) % 2 == 0;
+            }
+        }
+    }
+}
