#include < iostream >
#include < vector >
using ? namespace ?std;
 int ?main()
{
????vector < int > t;
???? for (vector < int > ::size_type?iter = 0 ;iter < 10 ;iter ++ )
????????t.push_back(iter);
???? for (vector < int > ::iterator?iter = t.begin();iter != t.end();iter ++ )
????????cout <<* iter << endl;
????vector < int > ::iterator?it1 = t.begin(),it2 = t.end(),iter;
????vector < int > ::difference_type?ss = t.begin() - t.end();
????iter = t.begin() + t.size() / 2 ;
????cout <<* iter << endl;
????iter = t.begin() + t.end() / 2 ;????
????cout << ss << endl;
???? return ? 0 ;
}
#include < iostream >
#include < string >
#include < cctype >
using ? namespace ?std;
 string ?s1 = " abc " ;
 int ?main()
{
???? string ::iterator?t;
???? for (t = s1.begin();t != s1.end();t ++ )
????????cout << isupper( * t) << endl;
}
#include < iostream >
#include < bitset >
#include < string >
using ? namespace ?std;
 string ?s = " 11111111 " ;
bitset < 8 > a(s, 0 , 8 );
 int ?main()
{
????unsigned? int ?t = a.to_ulong();
????cout << t << endl;
???? for ( int ?it = 0 ;it < 3 ;it ++ )
????????cout << a[it];
????cout << endl;
????cout << a.count();
???? return ? 0 ;
}