For i = 1 To x
For j = 1 To Len(a(i))
y = Val(Mid(a(i), j, 1)) * 16 ^ (Len(a(i)) - j)
Next j
If y < 128 Then
s = s + Chr(y)
End If
Next i
如果x=8,数组元素a(1) 到a(8) 的值依次为“78,85,4D,56,93,E2,12,1A”,经过该程序段“加工”后,s 包含几个字符( )
A.3 | B.8 | C.5 | 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