#include <iostream>
#include <vector>
using namespace std;
int main()
{
vector<int> v;
cout<<"Vector is ";
v.empty()?cout<<"":cout<<"not ";
cout<<"empty"<<endl;
v.push_back(100);
cout<<"Vector is ";
v.empty()?cout<<"":cout<<"not ";
cout<<"empty"<<endl;
getchar();
return 0;
}