程序代码：

#include <stdio.h>

int main()
{
    int a[5][5], b[5]={0,0,0,0,0};  //a[5][5]值自己初始化
    int c=0;
    int i, j;
    for(i=0; i<5; i++)
    {
        for(j=0; j<5; j++)
        {
            if(a[i][j] >= b[c])
                {
                    b[c] = a[i][j];
                }
        }
        c++;
    }
}

程序代码：

Option Explicit
Dim a(4, 4) As Single
Private Sub Command1_Click()
Dim i As Integer, j As Integer
  Text1.Text = ""

 
  For i = 0 To 4
    For j = 0 To 4
      a(i, j) = Round(Rnd, 3)
      Text1.Text = Text1.Text & a(i, j) & " "
    Next
    Text1.Text = Text1.Text & vbCrLf
  Next
  Text1.Text = Text1.Text & vbCrLf
  judge
End Sub

Private Sub Form_Load()
Me.Show
End Sub

Sub judge()
  Dim i As Integer, j As Integer, k As Integer
  Dim rowmax As Single
  Dim rowmaxp
  Dim s As Boolean 'Is the maxmium number of a column ture:yes false:no
  
   
    For i = 0 To 4
      rowmax = 0
      For j = 0 To 4
        If a(i, j) > rowmax Then
          rowmax = a(i, j)
          rowmaxp = j
        End If
      Next
      s = True
      For k = 0 To 4
        If rowmax < a(k, rowmaxp) Then s = False: Exit For
      Next
        If s = True Then Text1.Text = Text1.Text & rowmax & " in the " & i & " Row" & " is the maxmium number of the " & rowmaxp & " column" & vbCrLf
    Next
End Sub