• 2021-04-14
    设有说明:int a[4][4]={1,2,3,4,5,6,7,8,9,10},*p=a[1],(*q)[4]=a;则以下能访问数值为7的数组元素的表达式是
  • p[2]*(a[1]+2)q[1][2]

    举一反三

    内容

    • 0

      输出九九乘法表。 1*1=1 2*1=2 2*2=4 3*1=3 3*2=6 3*3=9 4*1=4 4*2=8 4*3=12 4*4=16 5*1=5 5*2=10 5*3=15 5*4=20 5*5=25 6*1=6 6*2=12 6*3=18 6*4=24 6*5=30 6*6=36 7*1=7 7*2=14 7*3=21 7*4=28 7*5=35 7*6=42 7*7=49 8*1=8 8*2=16 8*3=24 8*4=32 8*5=40 8*6=48 8*7=56 8*8=64 9*1=9

    • 1

      下列数组声明语句中正确的是( )。 A: Dim A(9) As Single = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 } B: Dim A( ) As Single = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 } C: Dim A( ) As Single = { 1, "abc", "ccc", 4, 5, 6, 7, 8, 9, 10 } D: Dim A( , ) As Single = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }

    • 2

      若有以下说明: int a [12 ] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 } ; char c= ‘a’ , d , g ; 则数值为4的表达式是( )

    • 3

      存在多维数组arr,arr =np.array([[1 2 3] [4 5 6] [7 8 9]])数组arr.T的输出为 A: array([[1, 4, 7], [2, 5, 8], [3, 6, 9]]) B: array([[1, 2, 3], [4, 5, 8], [7, 6, 9]]) C: array([[1, 4, 7], [2, 5, 6], [3, 8, 9]]) D: array([[9, 4, 7], [2, 5, 8], [3, 6, 1]])

    • 4

      下列数组声明语句中,不正确的是_________。 A: Dim a(9) As Single = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} B: Dim a() = {1, 2, 3, 4, 5, 6, 10} C: Dim a( ,) As Single = {{1, 2, 3, 4, 5}, {6, 7, 8, 9, 10}} D: Dim a() As Single = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} E: Dim n As Integer=10Dim a(n) As Single