contains duplicate solution

hyer0705 · hyer0705 · commit 202c1750121c · 2025-07-21T20:28:42.000+09:00
diff --git a/contains-duplicate/hyer0705.ts b/contains-duplicate/hyer0705.ts
@@ -0,0 +1,3 @@
+function containsDuplicate(nums: number[]): boolean {
+  return new Set<number>(nums).size !== nums.length;
+}

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+function containsDuplicate(nums: number[]): boolean {`
	`2`	`+ return new Set<number>(nums).size !== nums.length;`
	`3`	`+}`