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【单选题】
下述函数中对应的渐进时间复杂度( n 为问题规模)最小是 。A.
T 1 (n)=nlog 2 n+5000n
B.
T 2 (n)=n 2 - 8000n
C.
T 3 (n)= nlog 2 n - 6000n
D.
T 4 (n)=7000log 2 n
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