solves #2644: RowWithMaximumOnes in java

Author: anishLearnsToCode

README.md

@@ -815,7 +815,7 @@
 | 2614 | [Prime In Diagonal](https://leetcode.com/problems/prime-in-diagonal)                                                                                                   |                                                                                       [![Java](assets/java.png)](src/PrimeInDiagonal.java)                                                                                       |                                                                                                                                   |
 | 2639 | [Find the Width of Columns of a Grid](https://leetcode.com/problems/find-the-width-of-columns-of-a-grid)                                                               |                                                                                [![Java](assets/java.png)](src/FindTheWidthOfColumnsOfAGrid.java)                                                                                 |                                                                                                                                   |
 | 2643 | [Row With Maximum Ones](https://leetcode.com/problems/row-with-maximum-ones)                                                                                           |                                                                                     [![Java](assets/java.png)](src/RowWithMaximumOnes.java)                                                                                      |                                                                                                                                   |
-| 2644 | [Find the Maximum Divisibility Score](https://leetcode.com/problems/find-the-maximum-divisibility-score)                                                               |                                                                                                                                                                                                                                  |                                                                                                                                   |
+| 2644 | [Find the Maximum Divisibility Score](https://leetcode.com/problems/find-the-maximum-divisibility-score)                                                               |                                                                                     [![Java](assets/java.png)](src/RowWithMaximumOnes.java)                                                                                      |                                                                                                                                   |
 | 2651 | [Calculate Delayed Arrival Time](https://leetcode.com/problems/calculate-delayed-arrival-time)                                                                         |                                                                                                                                                                                                                                  |                                                                                                                                   |
 | 2652 | [Sum Multiples](https://leetcode.com/problems/sum-multiples)                                                                                                           |                                                                                                                                                                                                                                  |                                                                                                                                   |
 | 2656 | [Maximum Sum With Exactly K Elements](https://leetcode.com/problems/maximum-sum-with-exactly-k-elements)                                                               |                                                                                                                                                                                                                                  |                                                                                                                                   |

src/FindTheMaximumDivisibilityScore.java

@@ -0,0 +1,37 @@
+// https://leetcode.com/problems/find-the-maximum-divisibility-score
+// m: length of divisors
+// n: length of nums
+// T: O(m * n)
+// S: O(m)
+
+import java.util.HashSet;
+import java.util.Set;
+
+public class FindTheMaximumDivisibilityScore {
+    public int maxDivScore(int[] nums, int[] divisors) {
+        final Set<Integer> setDivisors = new HashSet<>();
+        int maxDivisibilityScore = 0, minDivisor = Integer.MAX_VALUE;
+        for (int divisor : divisors) {
+            if (setDivisors.contains(divisor)) {
+                continue;
+            }
+            setDivisors.add(divisor);
+            final int divisorScore = getDivisorScore(nums, divisor);
+            if (divisorScore > maxDivisibilityScore) {
+                maxDivisibilityScore = divisorScore;
+                minDivisor = divisor;
+            } else if (divisorScore == maxDivisibilityScore) {
+                minDivisor = Math.min(minDivisor, divisor);
+            }
+        }
+        return minDivisor;
+    }
+
+    private int getDivisorScore(int[] array, int divisor) {
+        int count = 0;
+        for (int element : array) {
+            if (element % divisor == 0) count++;
+        }
+        return count;
+    }
+}