1 #include <iostream> 2 #include<cstdio> 3 #include <vector> 4 #include <set> 5 #include <iterator> 6 using namespace std; 7 8 int main() 9 { 10 set<int>s; 11 cout << "please input the number of vector‘s element " << endl; 12 int n; 13 cin >> n; 14 for (int i = 0; i < n; i++) 15 { 16 int temp; 17 cin >> temp; 18 s.insert(temp); 19 } 20 vector<int>v; 21 insert_iterator<vector<int> > in_it(v, v.begin()); 22 copy(s.begin(), s.end(), in_it); 23 printf("%d\n",v.size()); 24 for (vector<int>::iterator it = v.begin(); it != v.end(); it++) 25 { 26 cout << *it << " "; 27 } 28 return 0; 29 }
时间: 2024-11-10 07:42:10