Merge pull request #665 from MrKeeplearning/main

[MrKeeplearning] Week1
DaleStudy · Dec 22, 2024 · 8f67e90 · 8f67e90
2 parents 626038c + e61d2e6
commit 8f67e90
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diff --git a/contains-duplicate/MrKeeplearning.java b/contains-duplicate/MrKeeplearning.java
@@ -0,0 +1,13 @@
+import java.util.*;
+
+class MrKeeplearningContainsDuplicate {
+    public boolean containsDuplicate(int[] nums) {
+        HashSet<Integer> hashSet = new HashSet<>();
+        for (int num : nums) {
+            if (!hashSet.add(num)) {
+                return true;
+            }
+        }
+        return false;
+    }
+}
diff --git a/valid-palindrome/MrKeeplearning.java b/valid-palindrome/MrKeeplearning.java
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+class MrKeeplearningValidPalindrome {
+    public boolean isPalindrome(String s) {
+
+        return false;
+    }
+}