# include<stdio.h>
int max(int a[],int len)
{
if(len==1) return a[0];
else
return a[len-1]>max(a,len)?a[len-1]:max(a,len);
}

int main()
{
int b[5]={1,2,32,51,89};
int size=sizeof(b)/sizeof(int);
printf("%d",max(b,size));
return 0;
}

    ......

[此贴子已经被作者于2016-4-15 00:07编辑过]

# include<stdio.h>
int max(int a[],int len)
{
  int t;
  if(len==0) return a[0];
  else
    return a[len]>(t=max(a,len-1))?a[len]:t;
}

int main()
{
  int b[5]={1,2,32,51,89};
  int size=sizeof(b)/sizeof(int);
  printf("%d",max(b,size-1));
  return 0;
}