#include <iostream.h>
int maxmum(int ia[5][4]);

int main()
{
int a[5][4];
int i,j,m,n;
cout <<"please input grade:";
for(i=0;i<5;i++)
{for(j=0;j<4;j++)
      cin >>a[i][i]>>' ';
      cout <<a[i][j]<<' ';
cout<<endl;
}
maxmum(a);
 


}
int maxmum(int ia[5][4])                  
{
int i,j;
int m=0;
int n=0;
int max=0;
for(i=0;i<5;i++)
  for(j=0;j<4;j++)
  {
  if(ia[i][j]>max)
  {max=ia[i][j];
   m=i;
   n=j;}
  }
cout<<"student number is"<<m<<endl;
cout<<"course number is"<<n<<endl;
}
为什么它老提示：error C2679: binary '>>' : no operator defined which takes a right-hand operand of type 'const char' (or there is no acceptable conversion)

我把#include <iostream.h>改成#include <iostream>  
                             using namespace std;它还是提示no operator defined which takes a right-hand operand of type 'const char' (or there is no acceptable conversion)。

？？我打的是 cin>>呐