Create Count Number of Distinct Integers After Reverse Operations.java

varunu28 · web-flow · commit 63bbb86862d3 · 2022-10-16T06:52:59.000-07:00
diff --git a/Medium/Count Number of Distinct Integers After Reverse Operations.java b/Medium/Count Number of Distinct Integers After Reverse Operations.java
@@ -0,0 +1,19 @@
+class Solution {
+  public int countDistinctIntegers(int[] nums) {
+    Set<Integer> set = new HashSet<>();
+    for (int num : nums) {
+      set.add(num);
+      set.add(reverse(num));
+    }
+    return set.size();
+  }
+  
+  private int reverse(int num) {
+    int reversed = 0;
+    while (num > 0) {
+      reversed = reversed * 10 + num % 10;
+      num /= 10;
+    }
+    return reversed;
+  }
+}
