Solution Contains Duplicate

- 문제: https://leetcode.com/problems/contains-duplicate/

Author: doitduri

contains-duplicate/doitduri.swift

@@ -0,0 +1,6 @@
+class Solution {
+    func containsDuplicate(_ nums: [Int]) -> Bool {
+        let numbericSet = Set(nums)
+        return numbericSet.count < nums.count
+    }
+}