text: #include <iostream>
  #include <vector>
  
  using namespace std;
  
  
  
  int main(){
  
      vector<int> v ;
      v.push_back(12);
      v.push_back(22);
  
      vector<int>::iterator itr;
      for(itr = v.begin(); itr != v.end(); itr++)
          cout<<*itr<<" ";
  
  
      return 0;
  }