#include <iostream>
#include <iomanip> 
#include <ctime>
using namespace std;  
int Max(int arr[], int n);
void  main(int argc, char* argv[])
{ 
    srand(time(NULL));//随机种子 
    int array[8];
    int length=sizeof(array)/sizeof(array[0]);
    for(int i=0;i<length;i++)
    {
         int ran=rand()%100;
         if(ran<10||ran>99)
        {
            --i;
            continue;
        }
        array[i]=ran;
    }
    cout<<"Max="<<Max(array,length)<<endl;
}
int Max(int arr[], int length)
{
    if (length == 0)
         return arr[length];
    int max = Max(arr, length - 1);
    return max > arr[length-1] ? max : arr[length-1]; 
}