i=1:j=8:t=0
Key=Int (rnd()*20)+10
Do While i<=j
m=Int((i+j)/2)
t=t+1
If a(m)=Key Then
Exit DoElse If a(m)> Key Then
j=m-1Else
i=m+1End If
Loop数组元素a(1)到a(8)的值依次为“2,11,14,15,18,19,25,32”,该程序段运行结束后,变量t的最大值可能是( )
A.1 | B.2 | C.3 | D.4 |
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2