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c = 0
For i = 1 To n - 1
k = i
For j = i + 1 To n
If a(j) < a(k) Then k = j
Next j
If i <> k Then
c = c + 1
t = a(i): a(i) = a(k): a(k) = t
End If
Next i
数组元素a(1)到a(6)的初始值依次是5,3,1,0,9,8,，执行该程序段后，变量c的值是（ ）
| A．2 | B．3 | C．4 | D．5 |
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
