C++STL_sort

 #include<algorithm>
 #include<iostream>
 using namespace std;
 void print(int x)
 {
     cout<<x<<' ';
 }
 int main()
 {
     int iArray[]={,,-,,,,,,-,,};
     const int len=sizeof(iArray)/sizeof(int);
     cout<<"由小到时大排序"<<endl;
     sort(iArray,iArray+len);
     for_each(iArray,iArray+len,print);
     cout<<endl;
     cout<<"由大到小排序"<<endl;
     sort(iArray,iArray+len,greater<int>());
     for_each(iArray,iArray+len,print);
     cout<<endl;
     return ;
 }