Mathematics, 05.05.2020 06:00 chris1848
Consider a set A = {a1, . . . , an} and a collection B1, . . . , Bm of subsets of A (i. e. Bi ⊆ A for each i.) We say that a set H ⊆ A is a hitting set for the collection B1, . . . , Bm if H contains at least one element from each Bi - that is, if H T Bi is not empty for each i (so H hits all the sets Bi .) We now define the hitting set problem as follows. We are given a set A = {a1, . . . , an}, a collection B1, . . . , Bm of subsets of A, and a number k. We are asked: Is there a hitting set H ⊆ A for B1, . . . , Bm so that the size of H is at most k? Prove that hitting set is NP-complete.
Answers: 3
Mathematics, 21.06.2019 15:30
Match each equation with the operation you can use to solve for the variable. subtract 10. divide by 10. divide by 5. subtract 18. multiply by 10. add 18. add 10. multiply by 5. 5 = 10p arrowright p + 10 = 18 arrowright p + 18 = 5 arrowright 5p = 10 arrowright
Answers: 3
Mathematics, 21.06.2019 18:20
Choose all that apply. select all of the fees a credit card may have. annual fee apr balance transfer fee cash advance fee late fee overdraft fee over-the-limit fee
Answers: 2
Consider a set A = {a1, . . . , an} and a collection B1, . . . , Bm of subsets of A (i. e. Bi ⊆ A fo...
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