最新的C++ Institute CPA免費考試真題

問題1

What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main()
{
int x,y=10;
float f;
f = 5.90;
cout << f << ", ";
x=f;
cout << x <<", ";
f=y;
cout << f;
return 0;
}

A. It prints: 5.9, 5, 10

B. It prints: 5, 5, 10.00

C. It prints: 6, 5, 10

D. It prints: 6, 5, 10.00

正確答案: A

問題2

What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int s(int n);
int main()
{
int a;
a = 3;
cout << s(a);
return 0;
}
int s(int n)
{
if(n == 0) return 1;
return s(n?1)*n;
}

A. It prints: 4

B. It prints: 0

C. It prints: 6

D. It prints: 3

正確答案: C

問題3

What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int op(int x, int y);
int main()
{
float *pf;
float f=0.9;
pf=&f;
cout << op(1, *pf);
return 0;
}
int op(int x, int y)
{
return x*y; }

A. It prints: 1

B. It prints: 0

C. It prints: 0.5

D. It prints: ?1

正確答案: B

問題4

Which of the following is a correct way to define the function fun() in the program below?
#include <iostream> #include <sstream> #include <string> using namespace std; int main() { int a[2][2]; fun(a); return 0; }

A. void fun(int *p[2]) {}

B. void fun(int p[][2]) {}

C. void fun(int *p[][2]) {}

D. void fun(int *p[2][2]) {}

正確答案: B

問題5

What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
class complex{
double re;
double im;
public:
complex() : re(0),im(0) {}
complex(double x) { re=x,im=x;};
complex(double x,double y) { re=x,im=y;}
void print() { cout << re << " " << im;}
};
int main(){
complex c1;
c1 = 3.0;
c1.print();
return 0;
}

A. It prints: 1 1

B. Compilation error

C. It prints: 0 0

D. It prints: 3 3

正確答案: D

問題6

Which code, inserted at line 8, generates the output "0102020"?
#include <iostream>
using namespace std;
class Base {
static int age;
public:
Base () {};
~Base () {};
//insert code here
void Print() { cout << age;}
};
int Base::age=0;
int main () {
Base a,*b;
b = new Base();
a.Print();
a.setAge(10);
a.Print();
b->setAge();
a.Print();
b->Print();
return 0;
}

A. void setAge(int a=20) {age = a;}

B. void setAge(int a) {age = a;}

C. void setAge() {age = 10;}

D. void setAge() {age = 20;}

正確答案: A

問題7

What is the output of the program?
#include <iostream>
#include <string>
using namespace std;
struct Person {
int age;
};
class First
{
Person *person;
public:
First() {person = new Person;
person->age = 20;
}
void Print(){
cout << person->age;
}
};
int main()
{
First t[2];
for (int i=0; i<2; i++)
t[i].Print();
}

A. It prints: 10

B. It prints: 22

C. It prints: 00

D. It prints: 2020

正確答案: D

問題8

What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main()
{
int i=2;
switch(i)
{
case 1:
cout<<"Hello";
case 2:
cout<<"world";
case 3:
cout<<"End";
} return 0;
}

A. It prints: Hello

B. It prints: worldEnd

C. It prints: End

D. It prints: world

正確答案: B

問題9

What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
class First
{
public:
void Print(){ cout<<"from First";}
};
class Second
{
public:
void Print(){ cout<< "from Second";}
};
int main()
{
First FirstObject;
FirstObject.Print();
Second SecondObject;
SecondObject.Print(); }

A. It prints: from Firstfrom First

B. It prints: from Firstfrom Second

C. It prints: from First

D. It prints: from Secondfrom Second

正確答案: B

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