Exam Code: CPP
Exam Name: C++ Certified Professional Programmer
Updated:
Q&As: 228
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What happens when you attempt to compile and run the following code? Choose all that apply.
#include
#include
#include
#include
#include
#include
using namespace std;
template
ostream and out;
Out(ostream and o): out(o){}
void operator() (const T and val ) {out< int main () { int t[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; fstream f("test.out", ios::trunc|ios::out); list for_each(l.begin(), l.end(), Out f.close(); f.open("test.out"); for( ; f.good() ; ) { int i; f>>i; cout< } f.close(); return 0; } A. file test.out will be opened writing B. file test.out will be truncated C. file test.out will be opened for reading D. no file will be created nor opened E. program will display sequence 1 2 3 4 5 6 7 8 9 10
What happens when you attempt to compile and run the following code?
include
#include
#include
#include
#include
using namespace std;
int main() {
int t[] = { 10, 5, 9, 6, 2, 4, 7, 8, 3, 1 };
vector
deque
set
cout< return 0; } A. program outputs: 6 6 6 B. program outputs: 3 3 5 C. program outputs: 3 6 5 D. compilation error E. none of these
What happens when you attempt to compile and run the following code?
#include
#include
#include
#include
#include
using namespace std;
struct display {
void operator() (int i) {cout << " " << i;}
};
int main() {
int t[] = { 10, 5, 9, 6, 2, 4, 7, 8, 3, 1 };
vector
deque
set
for_each(v1.begin(), v1.end(), display); //Line I
for_each(d1.begin(), d1.end(), *(new display())); // Line II
for_each(s1.begin(), s1.end(), display()); // Line III
return 0;
}
A. program outputs: 10 5 9 6 2 4 7 8 3 1 10 5 9 6 2 4 7 8 3 1 1 2 3 4 5 6 7 8 9 10
B. program outputs: 10 5 9 6 2 4 7 8 3 1 10 5 9 6 2 4 7 8 3 1 10 5 9 6 2 4 7 8 3 1
C. compilation error in line I
D. compilation error in line II
E. compilation error in line III
What happens when you attempt to compile and run the following code?
#include
using namespace std;
int main()
{
cout< return 0; } Program outputs: A. true false B. 1 0 C. 1 false D. true 0 E. compilation error
What happens when you attempt to compile and run the following code?
#include
#include
#include
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 and operator <<(ostream and out, const B and v) { out<
ostream and out;
Out(ostream and o): out(o){}
void operator() (const T and val ) { out< struct Add { B operator()(B and a, B and 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< 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. 10 9 8 7 6 5 4 3 2 1 D. 11 10 9 8 7 6 5 4 3 2 E. compilation error
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