What happens when you attempt to compile and run the following code?
# include <vector>
# include <iostream>
# include <algorithm>
using namespace std;
template<class T>struct Out {
ostream & out;
Out(ostream & o): out(o){}
void operator()(const T & val ) {
out<<val<<" ";
}
};
struct Sequence {
int start;
Sequence(int start):start(start){}
int operator()() {
return start++ ; }};
int main() {
vector<int> v1(10);
generate(v1.rbegin(), v1.rend(), Sequence(1));
rotate(v1.begin(),v1.begin() + 1, v1.end() );
for_each(v1.begin(), v1.end(), Out<int>(cout) );cout<<endl;
return 0;
}
Program outputs:
What happens when you attempt to compile and run the following code? Choose all that apply.
#include <vector>
#include <iostream>
using namespace std;
int main ()
{
vector<int>v1(10, 3);
v1.push_back(3);
cout<<v1.capacity()<<" "<< v1.size()<<endl;
return 0;
}
What happens when you attempt to compile and run the following code?
#include <iostream>
#include <deque>
#include <list>
#include <queue>
#include <vector>
using namespace std;
int main()
{
int t[] ={ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
deque<int> mydeck(t, t+10);list<int> mylist(t,t+10);
queue<int> first;
queue<int> second(mydeck);
queue<int> third(second);
queue<int, list<int> > fourth(mylist);
mylist.clear();third.clear();
cout<<third.size()<< " "<<mydeck.size()<< endl;
cout<<fourth.size()<< " "<<mylist.size()<<endl;
return 0;
}
What happens when you attempt to compile and run the following code?
#include <vector>
#include <iostream>
#include <algorithm>
#include <functional>
using namespace std;
template<class T>struct Out {
ostream & out;
Out(ostream & o): out(o){}
void operator() (const T & val ) { out<<val<<" "; } };
struct Add : public binary_function<int, int, int> {
int operator() (const int & a, const int & b) const {
return a+b;
}
};
int main() {
int t[]={1,2,3,4,5,6,7,8,9,10};
vector<int> v1(t, t+10);
vector<int> v2(10);
transform(v1.begin(), v1.end(), v2.begin(), bind1st(Add(), 1));
for_each(v2.rbegin(), v2.rend(), Out<int>(cout));cout<<endl;
return 0;
}
Program outputs:
What happens when you attempt to compile and run the following code?
#include <deque>
#include <list>
#include <iostream>
using namespace std;
int main ()
{
list<int>l1;
deque<int>d1;
for(int i=0; i<5; i++)
{
l1.push_back(i);l1.push_front(i);
d1.push_back(i);d1.push_front(i);
}
for(int i=0; i<d1.size(); i++)
{
cout<<d1[i]<<" "<<l1[i]<<" ";
}
cout<<endl;
return 0;
}
