All files / leetCode 0349.ts

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export default function intersection(
  nums1: number[],
  nums2: number[],
): number[] {
  const set1 = new Set<number>(nums1)
  const set2 = new Set<number>(nums2)
  const result = new Set<number>()
 
  for (const num of set1) {
    if (set2.has(num))
      result.add(num)
  }
 
  return [...result]
}