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a(1) = 92: a(2) = 84: a(3) = 81: a(4) = 76
a(5) = 69: a(6) = 53: a(7) = 24: a(8) = 5
Key = Int(Rnd * 50) + 50
L = 0: R = 0: n = 0
i = 1: j = 8
Do While i <= j
n = n + 1
m = (i + j) \ 2
If a(m) > Key Then
i = m + 1
R = R + 1
Else
j = m - 1
L = L + 1
End If
Loop
程序执行后，下列说法正确的是（ ）
| A．i的值可能小于等于j | B．n的值一定是3 |
| C．m的值可能4 | D．可能出现L的值是1，R的值为3的情况 |
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
