代码:
#include "iostream"
#include "windows.h"
#include "algorithm"
#include "vector"
#include "iterator"
#include "list"
#include "set"
using namespace std;
int main()
{
int c1[]={1,2,2,4,6,7,7,9};
int c2[]={2,2,2,3,6,6,8,9};
int num1=sizeof(c1)/sizeof(int);
int num2=sizeof(c2)/sizeof(int);
cout<<"集合元素总数:"<<endl;
std::merge(c1,c1+num1,c2,c2+num2,std::ostream_iterator<int>(cout," "));
cout<<endl;
cout<<"除去重复的元素:"<<endl;
std::set_union(c1,c1+num1,c2,c2+num2,std::ostream_iterator<int>(cout," "));
cout<<endl;
cout<<"交集:"<<endl;
std::set_intersection(c1,c1+num1,c2,c2+num2,std::ostream_iterator<int>(cout," "));
cout<<endl;
cout<<"差集:"<<endl;
std::set_difference(c1,c1+num1,c2,c2+num2,std::ostream_iterator<int>(cout," "));
cout<<endl;
system("pause");
return 0;
}