add 2965

Author: fishercoder1534

paginated_contents/algorithms/3rd_thousand/README.md

@@ -1,5 +1,6 @@
 | #    | Title                                                                                                                                                                                         | Solutions                                                                                                                                                              | Video                               | Difficulty                | Tag                                                                  
 |------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------|---------------------------|----------------------------------------------------------------------
+| 2965 | [Find Missing and Repeated Values](https://leetcode.com/problems/find-missing-and-repeated-values/)                                                                                                               | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2965.java)                                       |                                     | Easy                      |
 | 2864 | [Maximum Odd Binary Number](https://leetcode.com/problems/maximum-odd-binary-number/)                                                                                                               | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2864.java)                                       |                                     | Easy                      |Greedy
 | 2812 | [Find the Safest Path in a Grid](https://leetcode.com/problems/find-the-safest-path-in-a-grid/)                                                                                                               | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2812.java)                                       |                                     | Medium                    |BFS
 | 2751 | [Robot Collisions](https://leetcode.com/problems/robot-collisions/)                                                                                                               | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2751.java)                                       | | Hard                      | Stack, Simulation

src/main/java/com/fishercoder/solutions/thirdthousand/_2965.java

@@ -0,0 +1,26 @@
+package com.fishercoder.solutions.thirdthousand;
+
+import java.util.HashSet;
+import java.util.Set;
+
+public class _2965 {
+    public static class Solution1 {
+        public int[] findMissingAndRepeatedValues(int[][] grid) {
+            Set<Integer> set = new HashSet<>();
+            int[] result = new int[2];
+            for (int i = 0; i < grid.length; i++) {
+                for (int j = 0; j < grid[0].length; j++) {
+                    if (!set.add(grid[i][j])) {
+                        result[0] = grid[i][j];
+                    }
+                }
+            }
+            for (int i = 1; i <= grid.length * grid.length; i++) {
+                if (!set.contains(i)) {
+                    result[1] = i;
+                }
+            }
+            return result;
+        }
+    }
+}