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

문제1

What happens when you attempt to compile and run the following code?
#include <iostream>
#include <algorithm>
#include <vector>
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==(A & b) { return a == b.a; }
};
struct Compare{
bool operator()(const A & a, const A & b) {return a.getA()==b.getA();};
};
int main () {
int t[] = {1,2,3,4,5,1,2,3,4,5};
vector<A> v (t,t+10);
vector<A>::iterator it;
A m1[] = {A(1), A(2), A(3)};
it = find_end (v.begin(), v.end(), m1, m1+3, Compare());
cout << "Found at position: " << it?v.begin() << endl;
return 0;
}

A. program outputs: Found at position: 10
***/

B. program outputs: Found at position: 7

C. program outputs: Found at position: 5

D. program outputs: Found at position: 0

E. compilation error

정답: C

문제2

What happens when you attempt to compile and run the following code?
# include <vector>
# include <set>
# 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_n(v1.begin(), 10, Sequence(1));
random_shuffle(v1.rbegin(), v1.rend());
sort(v1.begin(), v1.end(), great<int>());
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 10 5 1 4 6 2 7 9 3

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

D. compilation error

정답: D

문제3

What happens when you attempt to compile and run the following code?
# include <iostream>
# include <set>
# include <vector>
using namespace std;
int main(){
int t[] ={ 3, 4, 2, 1, 6, 5, 7, 9, 8, 0 };
multiset<int> s1(t,t+10);
s1.insert(s1.find(7), 3);
for(multiset<int>::iterator i=s1.begin();i!= s1.end(); i++) {
cout<<*i<<" ";
}
return 0;
}

A. program outputs: 0 1 2 3 4 5 6 7 3 8 9

B. program outputs: 0 1 2 3 4 5 6 3 7 8 9

C. runtime exception

D. program outputs: 0 1 2 3 4 5 6 7 8 9

E. program outputs: 0 1 2 3 3 4 5 6 7 8 9

정답: E

문제4

What happens when you attempt to compile and run the following code?
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int main () {
int t[] = {1,2,3,2,3,5,1,2,7,3,2,1,10, 4,4,5};
vector<int> v (t,t+15);
vector<int>::iterator it = search_n(v.begin(), v.end(), 4, 2);
cout<< it?v.begin()<<endl;
return 0;
}
Program outputs:

A. 1

B. 15

C. 3

D. compilation error

E. 10

정답: B

문제5

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=0):val(v){}
int getV() const {return val;}
operator int () const { return 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<<" "; } };
struct Add {
B operator()(B & a, B & b) { return a+b; } };
int main() {
B t[]={1,2,3,4,5,6,7,8,9,10};
vector v1(t, t+10);
vector v2(10);
transform(v1.begin(), v1.end(), v2.begin(), bind2nd(Add(),1));
for_each(v2.rbegin(), v2.rend(), Out(cout));cout<<endl;
return 0;
}
Program outputs:

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

B. 2 3 4 5 6 7 8 9 10 11

C. 11 10 9 8 7 6 5 4 3 2

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

E. compilation error

정답: E

문제6

What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
template<int>
void g(int a)
{
cout<<a?1<<endl;
}
template<class A>
void g(A a)
{
cout<<a+1<<endl;
}
int main()
{
int a = 1;
g(a);
return 0;
}

A. program displays: 1

B. runtime exception

C. program displays: 2

D. compilation error

정답: C

문제7

What happens when you attempt to compile and run the following code? Choose all possible answers.
#include <iostream>
using namespace std;
class C {
public:
int _c;
C():_c(0){}
C(int c) { _c = c;}
C operator+=(C & b) {
C tmp; tmp._c = _c+b._c;
return tmp;
} };
ostream & operator<<(ostream & c, const C & v) {
c<<v._c; return c; }
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<int> b(2);
A<C>a (5);
a.add(C());
cout << a.getV() <<endl;
return 0;
}

A. program will not compile

B. program will display:5

C. program will cause runtime exception

D. program will compile

정답: B,D

문제8

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()
{
deque<int> mydeck;list<int> mylist; vector<int> myvector;
queue<int> first; queue<int> second(mydeck);
queue<int> third(second); queue<int, list<int> > fourth(mylist);
fourth.push(10);fourth.push(11);fourth.push(12);
queue<int, vector<int> > fifth(myvector);
fifth.push(10);fifth.push(11);fifth.push(12); // Line I
while(!fifth.empty())
{
cout<<fifth.front()<<" "; // Line II
fifth.pop(); // Line III
}
while (!fourth.empty())
{
cout << fourth.front() << " ";
fourth.pop(); // Line IV
}
return 0;
}

A. compilation error in line II

B. program outputs: 10 11 12 10 11 12

C. compilation error in line IV

D. compilation error in line I

E. compilation error in line III

정답: E

문제9

What happens when you attempt to compile and run the following code?
#include <vector>
#include <iostream>
int main ()
{
int t[]={1,2,3,4,5};
std::vector<int>v1(t,t+5);
std::vector<int>v2(v1);
v1.resize(10);
v2.reserve(10);
std::vector<int>::iterator i = v1.begin();int ii = 0;
while (i != v1.end()) { std::cout<<i[ii]<<" ";ii??;i++; }
i = v2.begin();ii=0;
while (i != v2.end()) { std::cout<<i[ii]<<" ";ii??;i++; }
return 0;
}

A. program outputs 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5

B. program outputs 1 2 3 4 5 0 0 0 0 0 1 2 3 4 5 0 0 0 0 0

C. program outputs 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

D. compilation error

정답: C

문제10

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

문제11

What happens when you attempt to compile and run the following code?
# include <vector>
# include <string>
# include <iostream>
# include <algorithm>
# include <ctype.h>
using namespace std;
template<typename T>class B { T val;
public:
B(T v):val(v){}
T getV() const {return val;} };
template<class T>ostream & operator <<(ostream & out, const B<T> & 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<<" "; } };
string tolower(const string & s) {
string tmp(s);
for(unsigned i = 0; i< tmp.size(); ++i){
tmp[i] = tolower(tmp[i]); }
return tmp; }
bool Less(const B<string> &a, const B<string> &b) {
return tolower(a.getV())<tolower(b.getV()); }
int main() {
string t[]={"aaa","bbb","Aaa", "Bbb","aAa","bBb","aaA","bbB"};
vector<B<string> > v1; v1.assign(t, t+8);
stable_sort(v1.begin(), v1.end(), Less);
for_each(v1.begin(), v1.end(), Out<B<string> >(cout));cout<<endl;
return 0;
}
Program outputs:

A. Aaa aaa aAa aaA bbb Bbb bbB bBb

B. Aaa aaa aAa aaA bbb Bbb bBb bbB

C. the exact output is impossible to determine

D. aaa Aaa aAa aaA bbb Bbb bBb bbB

정답: D

문제12

What happens when you attempt to compile and run the following code? Choose all that apply.
# include <iostream>
# include <fstream>
# include <string>
# include <list>
# include <algorithm>
#include <iomanip>
using namespace std;
template<class T>struct Out {
ostream & out;
Out(ostream & o): out(o){}
void operator() (const T & val ) {out<<setw(3)<<hex<<val; } };
int main () {
int t[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
fstream f("test.out", ios::trunc|ios::out);
list<int> l(t, t+10);
for_each(l.begin(), l.end(), Out<int>(f));
f.close(); f.open("test.out");
for( ; f.good() ; ) {
int i; f>>i;
cout<<i<<" ";
}
f.close();
return 0;
}

A. no file will be created nor opened

B. program will display sequence 1 2 3 4 5 6 7 8 9 10

C. file test.out will be truncated

D. file test.out will be opened for reading

E. file test.out will be opened writing

정답: B,C,D,E

문제13

Which stack initialization (line numbers) are correct? Choose all that apply.
# include <iostream>
# include <deque>
# include <list>
# include <stack>
# include <vector>
using namespace std;
int main()
{
deque<int> mydeck;
list<int> mylist;
vector<int> myvector;
stack<int> first;// Line I
stack<int> second(mydeck);// Line II
stack<int> third(second);// Line III
stack<int, list<int> > fourth(mylist);// Line IV
stack<int, vector<int> > fifth(myvector);// Line V
return 0;
}

A. line I

B. line IV

C. line II

D. line III

E. line V

정답: A,B,C,D,E

문제14

What happens when you attempt to compile and run the following code?
# include <deque>
# 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[]={20, 30, 10, 20, 30, 10, 20, 30, 10, 20};
deque d1(t, t+10);
sort(d1.begin(), d1.end());
pair<deque ::iterator, deque::iterator > result = equal_range(d1.begin(), d1.end(),
B(20));
for_each(result.first, result.second, Out(cout));cout<<endl;
return 0;
}
Program outputs:

A. 10 20 20 20 20

B. 20 20 20 20

C. 10 20 20 20 20 30

D. 20 20 20 20 30

E. 10 10 10 20 20 20 20 30 30 30

정답: B

문제15

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

문제16

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

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

우리와 연락하기

유용한 링크

최신 업데이트