Fixed sonar

Author: javadev

src/main/java/g3201_3300/s3273_minimum_amount_of_damage_dealt_to_bob/Solution.java

@@ -3,6 +3,7 @@
 // #Hard #Array #Sorting #Greedy #2024_09_04_Time_76_ms_(100.00%)_Space_59.5_MB_(61.02%)
 
 import java.util.Arrays;
+import java.util.Objects;
 
 public class Solution {
     public long minDamage(int pw, int[] damage, int[] health) {
@@ -23,7 +24,7 @@ public long minDamage(int pw, int[] damage, int[] health) {
         return res;
     }
 
-    private static class Pair implements Comparable<Pair> {
+    static class Pair implements Comparable<Pair> {
         int key;
         int val;
 
@@ -32,6 +33,23 @@ private static class Pair implements Comparable<Pair> {
             this.val = val;
         }
 
+        @Override
+        public boolean equals(Object o) {
+            if (this == o) {
+                return true;
+            }
+            if (o == null || getClass() != o.getClass()) {
+                return false;
+            }
+            Pair pair = (Pair) o;
+            return key == pair.key && val == pair.val;
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(key, val);
+        }
+
         @Override
         public int compareTo(Pair p) {
             return val * p.key - key * p.val;

src/test/java/g3201_3300/s3273_minimum_amount_of_damage_dealt_to_bob/SolutionTest.java

@@ -24,4 +24,12 @@ void minDamage2() {
     void minDamage3() {
         assertThat(new Solution().minDamage(8, new int[] {40}, new int[] {59}), equalTo(320L));
     }
+
+    @Test
+    void equals() {
+        Solution.Pair pair1 = new Solution.Pair(1, 1);
+        Solution.Pair pair2 = new Solution.Pair(1, 1);
+        assertThat(pair1.equals(pair2), equalTo(true));
+        assertThat(pair1.hashCode(), equalTo(993));
+    }
 }