python可重集合的操作
class Solution(object): def intersect(self, nums1, nums2): """ :type nums1: List[int] :type nums2: List[int] :rtype: List[int] """ from collections import Counter c1 = Counter(nums1) c2 = Counter(nums2) return list((c1&c2).elements())
python可重集合的操作
class Solution(object): def intersect(self, nums1, nums2): """ :type nums1: List[int] :type nums2: List[int] :rtype: List[int] """ from collections import Counter c1 = Counter(nums1) c2 = Counter(nums2) return list((c1&c2).elements())