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Const n=7
For i = 1 To 2
For j = i To n - i
If a(j) < a(j + 1) Then
t = a(j): a(j) = a(j + 1): a(j + 1) = t
End If
Next j
k = i
For j = i + 1 To n - i
If a(k) > a(j) Then k = j
Next j
If i <> k Then
t = a(i): a(i) = a(k): a(k) = t
End If
Next i
数组元素a(1)到a(7)的值依次为9，2，5，1，4，8，3，经过该程序段“加工”后，数组元素a(1)到a(7)的值依次为（ ）
| A．2 4 5 8 9 3 1 | B．2 4 8 9 5 3 1 |
| C．2 4 9 5 8 3 1 | D．9 8 5 4 3 2 1 |
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
