[아이폰] NSMutableArrays의 교차점 찾기
Use NSMutableSet: NSMutableSet *intersection = [NSMutableSet setWithArray:array1]; [intersection intersectSet:[NSSet setWithArray:array2]]; [intersection intersectSet:[NSSet setWithArray:array3]]; NSArray *array4 = [intersection allObjects]; The only issue with this is that you lose ordering of elements, but I think (in this case) that that's OK. As has been pointed out in the comments (thanks, ..
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2021. 2. 24. 13:27