최신 CPP 무료덤프 - C++ Institute C++ Certified Professional Programmer

문제1

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);
vector<int> v2(10);
generate(v1.begin(), v1.end(), Sequence(1));
random(v1.begin(),v1.end());
for_each(v1.begin(), v1.end(), Out<int>(cout) );cout<<endl;
return 0;
}
Program outputs:

A. 1 2 3 4 5 6 7 8 9 10

B. 8 2 4 9 5 7 10 6 1 3

C. 10 9 8 7 6 5 4 3 2 1

D. compilation error

정답: D

문제2

What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main ()
{
float f1 = 10.0;
float f2 = 10.123;
cout<<noshowpoint<<f1<<" "<<f2;
return 0;
}
Program outputs:

A. 10 10.123

B. 10.0 10.123

C. 10 10

D. compilation error

정답: A

문제3

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<<" "; } };
int main() {
int t[]={3,2,4,1,5,10,9,7,8,6};
vector<int> v1(t,t+10);
sort(v1.begin(), v1.end(), greater<int>());
cout<<min_element(v1.begin(), v1.end());
return 0;
}
Program outputs:

A. 6

B. 1

C. 3

D. compilation error

E. 10

정답: D

문제4

What will happen when you attempt to compile and run the following code?
# include <iostream>
# include <string>
using namespace std;
template <class T>
class A {
T_v;
public:
A() {}
A(T v): _v(v){}
T getV() { return _v; }
void add(T & a) { _v+=a; }
};
int main()
{
A<string>a("Hello");
string s(" world!");
a.add(s);
cout << a.getV() <<endl;
return 0;
}

A. program will display: Hello world!

B. program will not compile

C. program will display: Hello

D. program will run without any output

정답: A

문제5

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<<" "; } };
int Add(int a, int b) {
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(), bind2nd(ptr_fun (Add),1));
vector<int>::iterator it = find_if(v2.begin(), v2.end(),bind2nd(equal_to<int>(),10)); cout<<*it<<endl;
return 0;
}
Program outputs:

A. true

B. false

C. 0

D. compilation error

E. 10

정답: E

문제6

What happens when you attempt to compile and run the following code?
# include <vector>
# include <iostream>
# include <algorithm>
using namespace std;
class B { int val;
public:
B(int v):val(v){}
int getV() const {return val;} bool operator < (const B & v) const { return val<v.val;} }; ostream & operator <<(ostream & out, const B & v) { out<<v.getV(); return out;} template<class T>struct Out {
ostream & out;
Out(ostream & o): out(o){}
void operator() (const T & val ) { out<<val<<" "; } };
int main() {
int t[]={8, 10, 5, 1, 4, 6, 2, 7, 9, 3};
vector v1(t, t+10);
sort(v1.begin(), v1.end());
for_each(v1.begin(), v1.end(), Out(cout));cout<<endl;
return 0;
}
Program outputs:

A. 1 2 3 4 5 6 7 8 9 10

B. 8 10 5 1 4 6 2 7 9 3

C. 10 9 8 7 6 5 4 3 2 1

D. compilation error

정답: A

문제7

What happens when you attempt to compile and run the following code?
# include <list>
# include <vector>
# include <iostream>
using namespace std;
int main ()
{
int t[] = {1, 2 ,3 ,4 ,5};
vector<int>v1(t, t+5);
list<int>l1;
l1.assign(v1.end(), v1.begin());
for(int i=0; i<l1.size(); i++)
{
cout<<l1.at(i)<<" ";
}
cout<<endl;
return 0;
}

A. segmentation fault runtime exception

B. program displays 5 4 3 2 1

C. program displays 1 2 3 4 5

D. compilation error

정답: D

문제8

What will happen when you attempt to compile and run the following code?
#include <deque>
#include <vector>
#include <iostream>
using namespace std;
int main ()
{
vector<int>v1;
deque<int>d1;
for(int i=0; i<5; i++)
{
v1.push_back(i);v1.push_front(i);
d1.push_back(i);d1.push_front(i);
}
for(int i=0; i<d1.size(); i++)
{
cout<<d1[i]<<" "<<v1[i]<<" ";
}
cout<<endl;
return 0;
}
What will be its output:

A. compilation error due to line 11

B. 4 4 3 3 2 2 1 1 0 0 0 0 1 1 2 2 3 3 4 4

C. runtime exception

D. compilation error due to line 12

정답: A

문제9

What happens when you attempt to compile and run the following code?
#include <iostream>
#include <algorithm>
#include <vector>
#include <deque>
using namespace std;
void myfunction(int i) {
cout << " " << i;
}
int main() {
int t[] = { 10, 5, 9, 6, 2, 4, 7, 8, 3, 1 };
deque<int> d1(t, t+10);
vector<int> v1(d1.rbegin(), d1.rend());
sort(d1.begin(), d1.end());
swap_ranges(v1.begin(), v1.end(), d1.begin());
for_each(v1.begin(), v1.end(), myfunction);
for_each(d1.begin(), d1.end(), myfunction);
return 0;
}
Program outputs:

A. 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10

B. 1 2 3 4 5 6 7 8 9 10 1 3 8 7 4 2 6 9 5 10

C. 1 3 8 7 4 2 6 9 5 10 1 2 3 4 5 6 7 8 9 10

D. 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10

E. compilation error

정답: B

문제10

What happens when you attempt to compile and run the following code?
#include <vector>
#include <iostream>
#include <algorithm>
#include <string>
using namespace std;
template<class T>struct Out {
ostream & out;
Out(ostream & o): out(o){}
void operator() (const T & val ) { out<<val<<" "; } };
int main() {
string t[]={"aaa","Aaa", "aAa","aaA","bbb","Bbb", "bBb", "bbB"};
vector<string> v1(t, t+8);
sort(v1.begin(), v1.end());
for_each(v1.begin(), v1.end(), Out<string>(cout));cout<<endl;
return 0;
}
Program outputs:

A. Aaa aAa bBb bbB bbb Bbb aaA aaa

B. Aaa aAa Bbb aaA aaa bBb bbB bbb

C. Aaa Bbb aAa aaA aaa bBb bbB bbb

D. bBb bbB bbb Aaa aAa Bbb aaA aaa

E. compilation error

정답: C

문제11

What happens when you attempt to compile and run the following code?
#include <list>
#include <iostream>
using namespace std;
template<class T> void print(T start, T end) {
while (start != end) {
std::cout << *start << " "; start++;
}
}
class A {
int a;
public:
A(int a):a(a){}
operator int () const { return a;}int getA() const { return a;}
};
int main() {
int t1[] ={ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
list<A> l1(t1, t1 + 10);
list<A> l2(l1);
l2.reverse(); l1.splice(l1.end(),l2);
l1.pop_back();l1.unique();
print(l1.begin(), l1.end()); cout<<endl;
return 0;
}

A. program outputs: 1 2 3 4 5 6 7 8 9 10 9 8 7 6 5 4 3 2

B. program outputs: 1 2 3 4 5 6 7 8 9 10 9 8 7 6 5 4 3 2 1

C. program outputs: 1 2 3 4 5 6 7 8 9 10 10 9 8 7 6 5 4 3 2

D. runtime exception

E. compilation error

정답: A

문제12

What happens when you attempt to compile and run the following code?
# include <deque>
# include <iostream>
# include <algorithm>
#include <set>
using namespace std;
class B { int val;
public:
B(int v):val(v){}
int getV() const {return val;} bool operator < (const B & v) const { return val<v.val;}
};
ostream & operator <<(ostream & out, const B & v) { out<<v.getV(); return out;} template<class T>struct Out {
ostream & out;
Out(ostream & o): out(o){}
void operator() (const T & val ) { out<<val<<" "; }
};
int main() {
B t[]={8, 10, 5, 1, 4, 6, 2, 7, 9, 3};
B t1[]={B(1),B(2),B(3),B(4)};
deque d1(t, t+10);
set s1(t, t+10);
sort(d1.begin(), d1.end());
cout<<includes(d1.begin(),d1.end(), t1,t1+4)<<" "<<includes(s1.begin(),s1.end(), t1,t1+4)
< <endl;
return 0;
}
Program outputs:

A. 1 0

B. 0 1

C. 1 1

D. 0 0

E. compilation error

정답: C

문제13

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<<" "; } };
int main() {
int t1[]={3,2,4,1,5};
int t2[]={6,10,8,7,9};
vector<int> v1(10);
sort(t1, t1+5);
sort(t2, t2+5);
merge(t1,t1+5,t2,t2+5,v1.begin());
for_each(v1.begin(), v1.end(), Out<int>(cout));cout<<endl;
return 0;
}
Program outputs:

A. 1 2 3 4 5 6 7 8 9 10

B. 3 2 4 1 5 6 10 8 7 9

C. 3 2 4 1 5 6 7 8 9 10

D. 1 2 3 4 5 6 10 8 7 9

E. compilation error

정답: A

문제14

What happens when you attempt to compile and run the following code?
# include <deque>
# include <set>
# include <iostream>
# include <algorithm>
using namespace std;
class B { int val;
public:
B(int v):val(v){}
int getV() const {return val;} bool operator < (const B & v) const { return val<v.val;} }; ostream & operator <<(ostream & out, const B & v) { out<<v.getV(); return out;} template<class T>struct Out {
ostream & out;
Out(ostream & o): out(o){}
void operator() (const T & val ) { out<<val<<" "; } };
int main() {
int t[]={8, 10, 5, 1, 4, 6, 2, 7, 9, 3};
deque d1(t, t+10);
sort(d1.begin(), d1.end());
set s1(t,t+10);
cout<<binary_search(s1.begin(),s1.end(), 4)<<" "<<binary_search(d1.begin(),d1.end(),
4 )<<endl;
return 0;
}
Program outputs:

A. false false

B. 1 0

C. true true

D. 1 1

E. compilation error

정답: E

최신 CPP 무료덤프 - C++ Institute C++ Certified Professional Programmer

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