A.4次 B.5次 C.7次 D.10次
A.45,24,53,12,37,96,30 B.37,24,12,30,53,45,96 C.12,24,30,37,45,53,96 D.30,24,12,37,45,96,53
A.O(n) B.O(1) C.O(log2n) D.O(n2)