add 2643

Author: fishercoder1534

Diff for: paginated_contents/algorithms/3rd_thousand/README.md

@@ -11,6 +11,7 @@
 | 2697 | [Lexicographically Smallest Palindrome](https://leetcode.com/problems/lexicographically-smallest-palindrome/)                                                             | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2697.java)                                       |                                     | Easy                      |
 | 2696 | [Minimum String Length After Removing Substrings](https://leetcode.com/problems/minimum-string-length-after-removing-substrings/)                                                             | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2696.java)                                       |                                     | Easy                      |
 | 2670 | [Find the Distinct Difference Array](https://leetcode.com/problems/find-the-distinct-difference-array/)                                                                                       | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2670.java)                                       |                                     | Easy                      |
+| 2643 | [Row With Maximum Ones](https://leetcode.com/problems/row-with-maximum-ones/)                                                                                       | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2643.java)                                       |                                     | Easy                      |
 | 2596 | [Check Knight Tour Configuration](https://leetcode.com/problems/check-knight-tour-configuration/)                                                                                             | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2596.java)                                       | [:tv:](https://youtu.be/OBht8NT_09c) | Medium                    |
 | 2595 | [Number of Even and Odd Bits](https://leetcode.com/problems/number-of-even-and-odd-bits/)                                                                                                     | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2595.java)                                       |                                     | Easy                      |
 | 2586 | [Count the Number of Vowel Strings in Range](https://leetcode.com/problems/count-the-number-of-vowel-strings-in-range/)                                                                       | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2586.java)                                       |                                     | Easy                      |

Diff for: src/main/java/com/fishercoder/solutions/thirdthousand/_2643.java

@@ -0,0 +1,22 @@
+package com.fishercoder.solutions.thirdthousand;
+
+public class _2643 {
+    public static class Solution1 {
+        public int[] rowAndMaximumOnes(int[][] mat) {
+            int maxOnes = 0;
+            int[] result = new int[2];
+            for (int i = 0; i < mat.length; i++) {
+                int count = 0;
+                for (int j = 0; j < mat[0].length; j++) {
+                    count += mat[i][j];
+                }
+                if (count > maxOnes) {
+                    result[0] = i;
+                    result[1] = count;
+                    maxOnes = count;
+                }
+            }
+            return result;
+        }
+    }
+}