What happens when you attempt to compile and run the following code?
#include
#include
#include
using namespace std;
int main(){
int second[] ={ 3, 4, 2, 1, 6, 5, 7, 9, 8, 10 };
string first[] = {"three", "four", "two", "one", "six","five", "seven", "nine","eight"," ten"};
map
for(int i=0; i<10; i++) {
m.insert(pair
}
if (m[11] == "eleven") {
cout<<"eleven ";
}
for(map
cout<second<<" ";
}
cout< return 0; }
What happens when you attempt to compile and run the following code? Choose all possible answers.
#include
using namespace std;
template
class A {
T_v;
public:
A() {}
A(T v): _v(v){}
friend ostream & operator<<(ostream & c, const A
c< } }; int main() { A cout<<a< return 0; }
What happens when you attempt to compile and run the following code?
#include
#include
#include <algorithm>
#include
using namespace std;
template
ostream & out;
Out(ostream & o): out(o){}
void operator() (const T & val ) { out< int main() { string t[]={"aaa","Aaa", "aAa","aaA","bbb","Bbb", "bBb", "bbB"}; vector sort(v1.begin(), v1.end()); for_each(v1.begin(), v1.end(), Out return 0; } Program outputs:
What happens when you attempt to compile and run the following code?
#include
#include <algorithm>
#include
#include
using namespace std;
void myfunction(int i) {
cout << " " << i;
}
int main() {
vector
fill(v1.begin()+2, v1.end()?2,2);
fill_n(v1.begin()+4,2,3);
for_each(v1.begin(), v1.end(), myfunction);
return 0;
}
Program outputs:
What happens when you attempt to compile and run the following code?
#include
#include
#include
using namespace std;
int main(){
int myints[] ={ 3, 4, 2, 1, 6, 5, 7, 9, 8, 0 };
vector
set
s1.insert(v.begin(),v.end());
s1.erase(s1.lower_bound(2),s1.upper_bound(7));
for(set
cout<<*i<<" ";
}
return 0;
}
What will happen when you attempt to compile and run the following code? Choose all that apply.
#include
#include <algorithm>
#include
#include
using namespace std;
class A {
int a;
public:
A(int a) : a(a) {}
int getA() const { return a; } void setA(int a) { this?>a = a; }
bool operator < (const A & b) const { return a }; class F { A val; public: F(A & v):val(v){} bool operator() (A & v) { if (v.getA() == val.getA()) return true; return false; } }; int main() { int t[] = { 10, 5, 9, 6, 2, 4, 7, 8, 3, 1 }; vector v1(t, t + 10); set s1(t, t + 10); A a(6); F f(a); find_if(s1.begin(), s1.end(), f); if (find_if(v1.begin(), v1.end(), f) !=v1.end()) { cout<<"Found!\n"; } else { cout<<"Not found!\n"; } return 0; }
What happens when you attempt to compile and run the following code?
#include
#include
class A {
public:
virtual int f() { return 10; }
virtual ~A(){}
};
class B: public A {
int f() {return 11; }
virtual ~B(){}
};
int main (){
std::vectorv1;
for(int i = 10; i>0; i??)
{
i%2>0?v1.push_back(new A()):v1.push_back(new B());
}
std::vector::iterator it = v1.begin();
while(it != v1.end())
{
std::cout<
v1.pop_back();++it;
}
return 0;
}
What happens when you attempt to compile and run the following code?
#include
#include
using namespace std;
class A
{
int a,b;
public:
A & operator =(const A & c) { a = c.a; return *this;}
A():a(0),b(0){}
void setA(int a) {this?>a = a;} void setB(int b) {this?>b = b;}
int getA() {return a;} int getB() {return b;}
};
int main ()
{
vectorv;
A a;
a.setA(10); a.setB(11);
v.push_back(a);
A b = v.front(); v.pop_back();
cout< return 0; }