contains-duplicate solution

Author: Lustellz

contains-duplicate/Lustellz.ts

@@ -0,0 +1,7 @@
+function containsDuplicate(nums: number[]): boolean {
+    let tmp: number[] = nums.toSorted()
+    for(let i = 0 ; i < nums.length - 1 ; i++){
+        if(tmp[i]===tmp[i+1]) return true
+    }
+   return false 
+};