Add contains-duplicate solution - s0ooo0k

s0ooo0k · s0ooo0k · commit 9e7950fd37e8 · 2025-07-25T14:30:22.000+09:00
diff --git a/contains-duplicate/s0ooo0k.java b/contains-duplicate/s0ooo0k.java
@@ -14,4 +14,6 @@ public boolean containsDuplicate(int[] nums) {
         }
         return false;
     }
-}
+}
+
+

Original file line number	Diff line number	Diff line change
`@@ -14,4 +14,6 @@ public boolean containsDuplicate(int[] nums) {`
`14`	`14`	`}`
`15`	`15`	`return false;`
`16`	`16`	`}`
`17`		`-}`
	`17`	`+}`
	`18`	`+`
	`19`	`+`