*max_element和*min_element

#include<iostream>
#include<algorithm>
using namespace std;
int main()
{
  int a[]={4,2,3,8,5};
  int len=sizeof(a)/sizeof(int);
  cout<<*max_element(a,a+len)<<endl; //输出集合最大元素
  cout<<*min_element(a,a+len)<<endl;//输出集合最小元素
  return 0;
}