#include <iostream>
#include <vector>
#include <queue>
using std::vector;
using std::queue;
int main()
{
vector<int> v;
int i = 0;
while( i++ < 10 )
{
v.push_back(i-1);
std::cout <<v.back() << " "
<<v.size()<<" "
<< v.capacity() << "\n";
}
queue<char> q;
q.push('a');
q.push('b');
q.push('c');
std::cout << q.front()
<<" " <<q.size();
return 0;
}
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